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. ,F: Like what? ,M: Main ideas are yellow. Important details to remember are pink and the light green is for difficult ideas.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Oh, I know. Green is for the important details. (C) F: Oh, I know. Green is for a bit more difficult texts. (D) F: Oh, I know. Dark green is for a bit more difficult texts.
C