问题补充：
---I went to the beach and got plenty of rest.
--- You looked tired last time I saw you.
A. I had hoped so.
B. Really?
C. I m glad you did.
D. That sounds a good idea.
答案：
A. I had hoped so.
B. Really?
(答案→)C. I m glad you did.
D. That sounds a good idea.
解析：该题考查的是交际用语,按照句意和关键词tired可知答案。
