题目

 The two ladies burst into laughter from time to time as if _______ something funny. A. to talk about                                         B. to chat C. talking about                                         D. chatting with 答案：解析：选C。考查状语从句的省略。句意为：这两位女士不时发出笑声，似乎正在谈什么可笑的事情。as if后接现在分词；talking about表示“正在谈论……”；而as if后接to do表示“将要做……”。而D项搭配不对。

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