A、The man should begin to study. B、The man might have left it at school. C、Jane could have taken it by mistake. D、Jane has alrea

M: Jane looks depressed recently. I think it is because of her health problem.
W: Do you know where I can find her? She left her phone at the dorm and her doctor just called. He wanted to tell her that the lab result was good. She is not so badly ill.
Q: What can be learned about Jane?

M: Mum, have you seen the book I borrowed from the public library yesterday? I can’t find it anywhere.
W: You were studying with Jane after school yesterday. Is it possible that she took it along together with her books?
Q: What does the woman mean?