Which choice uses a colon correctly?

maximum ride, by james patterson: is a good book.

have you ever: read the book frankenstein, by mary shelly?

my mother gave me a book, snowboarding: tricks and flips you need to know.

in english class: we read a great book around the world in eighty days, by jules verne.

it the climax in the poem

the correct answer is a "it describes nora and mrs. linde's relationship". opcions b and d are not related to the content of the passage in any way. option c could be appropiate but it does not fully capture the effect of the dialogue, while option a is quite appropiate, since the dialogue not only exemplifies the relationship between the characters, but it also captures the effect in the excerpt. we get to know that mrs linde bosses around and already knows nora.

harry says he would trade a gold mine for a glass of water.