Which sentence uses commas correctly?

a.
hearing her worried cries, we attempted to rescue the cat stuck in the tree.

b.
during the rescue several small branches, fell to the ground.

c.
while we are waiting, for the fire department, do not climb the tree.

d.
hey let's try to tempt her down, with some cat food.

Although alice walker published a number of essays, poetry collections, and stories during the 1970s, her third novel, the color purple, ) which was published in 1982, brought her the widest acclaim in that it won both the national book award as well as the pulitzer prize (b) published in 1982, bringing her the widest acclaim by winning both the national book award and the pulitzer prize (c) published in 1982, brought her the widest acclaim, winning both the national book award and the pulitzer prize (d) was published in 1982 and which, winning both the national book award and the pulitzer prize, brought her the widest acclaim (e) was published in 1982, winning both the national book award as well as the pulitzer prize, and bringing her the widest acclaim

Read the excerpt from the “thing about terry” which best describes how th pacing of events heightens tension?

What is a good topic to write a essay?