In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

M: Good morning. Mary, how's it going? W: Pretty good, Bill. How about you? M: Oh. I'm OK. How is that English class you're teaching? W: It's going really well. I have a great class this year. I've got 30 students. M: That's good. I love to teach English. I'm only teaching history now.
What subject does the man teach now? (A) English. (B) Chemistry. (C) History.