【单选题】

Woman: Did you watch our Professor Stiller on TV last night
Man: I almost missed it! But my mother just happened to be watching at home and gave me a call.
Question: What does the man mean

A．He watched the television program with his mother.

B．His mother told him his professor was on television.
C．Answering the phone caused him to miss the television program.
D．His mother missed the television program.