F: Well, I see you've got your books, George. But are you reading? Looks like you're just coloring. ,M: I'm marking the important parts of the book. The colors are for different things.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Oh, I already knew that you read the book. (C) F: Why do you color in this photo, George? (D) F: Why do you write so many notes in the book?
A