听力原文:W: You seem very tired recently.M: It's my new course. My teacher is very strict
听力原文:W: You seem very tired recently.
M: It's my new course. My teacher is very strict with me. What's more, there are many assignments every day. I spend most of my time on them.
Why is the man tired?
A.He is too weak to do his homework.
B.He is too busy with his studies.
C.He spends too much time on ball games.