Lots of molds Lily's father really liked the mug and thought that others would like it too. He asked Lily if he wanted to try to manufacture and sell them. To make many cups, they would have to find a factory. The factory would need a mold so that all the cups were exactly the same shape. And to make the mold, they needed a perfect cup. Working in clay, Lily tried to find the best possible shape. She tried thinner legs (too unstable), thicker legs (too strong grip), and even a fourth leg (too unstable). She folded the edge so the drinks didn't splatter. Finally, she thought she had a nice cup. What is this part of the passage mostly about ? Lily worked with her father de ella to make many mugs with the same shape. Lily needed to find a big factory that would make her mug from her. Lily got the idea from her father de ella to sell a lot of different mugs. Lily tried many different ways to make the best mug for the factory mold.

Explanation:

I think the last one is probably the best answer. She had engineering problems and she tried various ways of overcoming them.

A is not a bad choice either because it prepares you for the  things she tried to do to overcome her problems.

Choose D. It's a good summary.

source text: from the sketch here given it will be seen, that our good grandmothers differed considerably in their ideas of a fine figure, from their scantily dressed descendants of the present day. a fine lady, in those times, waddled under more clothes even on a fair summer's day, than would have clad the whole bevy of a modern ball room. nor were they the less admired by the gentlemen in consequence thereof. on the contrary, the greatness of a lover's passion seemed to increase in proportion to the magnitude of its object—and a voluminous damsel, arrayed in a dozen of petticoats, was declared by a low-dutch sonnetteer of the province, to be radiant as a sunflower, and luxuriant as a full blown cabbage. certain it is, that in those days, the heart of a lover could not contain more than one lady at a time; whereas the heart of a modern gallant has often room enough to accommodate half a dozen - - the reason of which i conclude to be, either that the hearts of the gentlemen have grown larger, or the persons of the ladies smaller — this however is a question for physiologists to determine. add punctuation to the following excerpt. writing under the name of diedrich knickerbocker washington irving aimed his potent satire at as diverse topics as political rivals such as thomas jefferson to the very ideal of looking back on the past affectionately: a fine lady, in those times, waddled under more clothes even on a fair summer's day, than would have clad the whole bevy of a modern ball room. a voluminous damsel, arrayed in a dozen of petticoats, was declared by a low-dutch sonnetteer of the province, to be radiant as a sunflower, and luxuriant as a full blown cabbage. in those days, the heart of a lover could not contain more than one lady at a time; whereas the heart of a modern gallant has often room enough to accommodate half a dozen