问题补充：
-- I had a really nice weekend on the beach.
-- .
A. Oh, thats very nice of you.
B. Congratulations
C. Its a pleasure.
D. I m glad to hear that.
答案：
A. Oh, thats very nice of you.
B. Congratulations
C. Its a pleasure.
(答案→)D. I m glad to hear that.
解析：句意： --我在海滨度过的周末真是太爽了。--听你这么说我很高兴。A.oh, thats very nice of you 表示对你感谢；B. congratulations某人取得成就，获奖，遇到喜事时，表示祝贺；C.Its a pleasure 帮助别人受到感谢时，表示不必谢。D..I am glad to hear that.听你这么说我很高兴。根据句意故选D项。
