单选题 What is the woman doing according to the dialogue?

A、 Arranging a seaside trip for old people.
B、 Expressing her thanks to the trip organizer.
C、 Complaining about yesterday's seaside trip.
D、 Asking the trip organizer to improve his work.

【正确答案】 B

【答案解析】[听力原文] W: John, thank you for organizing yesterday's trip to the seaside for the old folk. M: They all seemed to enjoy it, didn't they? W: Certainly, I don't think you could have done it better. M: Thank you, but there was still room for improvement.