Q:Dialogue: 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. Question: Why is the man tired? - He is too weak to do his homework. - He is too busy with his studies. - He spends too much time on ball games.
A:
He is too busy with his studies.