Man: Someone said that there was a really good documentary on television last night about

Man: Someone said that there was a really good documentary on television last night about killer whales. I wish I had seen it since that was what we were studying in my zoology class.

Woman: I"m sorry. If I had known you were interested in that sort of thing I would have told you when it was going to be on.

Question: What does the woman imply？

A．She didn"t watch the program.

B．She is not usually interested in watching documentaries.

C．She doesn"t have time to help the man with his project.

D．She knew that the program was being shown.