成人英语三级考试

【单选题】It was ______ computer games that took the boy a lot of time that he ought to have spent on his lessons.
A. to have played
B. playing
C. played
D. having played

网考网参考答案：B
网考网解析：
本句用了强调句型，强调主语playing computer games。前一个that是强调句型的组成部分，后一个that是用来引导定语从句的关系代词。 查看试题解析出处>>