A、  B、  C、  B这类题除了人名之外，职务、部门名等也容易成为答案。(A)题目问的是谁，但回答的是场所，所以错误。(B)从职务上进行了回答，所以正确。(C)虽然答案重复了问句中的going，但是内容上不符。

When is your weekly meeting?
(A)It’s at three, but I should be there early.
(B)Yes, I’d like to see him.
(C)Because I am busy.

Who’s going to the workshop next week?
(A)In London.
(B)The marketing manager.
(C)I’m going shopping next week.