A、She wants to get some sleep. B、She needs time to write a paper. C、She has a literature class to attend D、She is troubled by he

W: I really like those abstract paintings we saw yesterday. What do you think?
M: I guess it’s something I haven’t acquired a taste for yet.
Q: What does the man imply?

M: How about joining me for a cup of coffee?
W: I’d love to, but I’m exhausted. I was up till 3 this morning, writing a paper for my literature class.
Q: Why does the woman decline the man’s invitation?