Which One of the Following Sentences Uses Semicolons Incorrectly

Which one of the following sentences uses semicolons incorrectly?

A) The gorilla became violent; she was protecting her young.
B) I don't like chocolate; in fact, I don't like sweets.
C) We have only one hour to make the dip, finish the soup, which needs to chill, and get dressed.
D) It's going to rain today; therefore, you should bring your umbrella.