I NEED HELP! Which of the following phrases reveals the author's purpose in using hyperbole in this paragraph?

Well now, one winter it was so cold that all the geese flew backward and all the fish moved south and even the snow turned blue. Late at night, it got so frigid that all spoken words froze solid afore they could be heard. People had to wait until sunup to find out what folks were talking about the night before.

A. Late at night - shows how late it was

B. what folks were talking about - shows how much talking there was

C. so cold all the geese flew backward - shows how cold it was

D. People had to wait - show how long it took