题目

— Why did the dinner party start so late last night? — It was _____ that caused him to serve dinner an hour later than usual.  A. we were late   B. we being late          C. our being late    D. because we were late   答案：C 解析: 本题考查强调句的一般用法，强调部分在句中作主语，该句中主语由动名词的复合结构充当。

查看本题答案和解析