Q: 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".
W: The film has been on for ten minutes. It's a pity you missed the first part. M: I was about to leave my house when I had an unexpected visitor. So I was a little late.
A:
Why was the man late? (A) He had a visitor. (B) He missed the bus. (C) He forgot the time.