自考《英语（一）》真题练习：be busy doing的习惯用法

单选题

1.[2004.10]Jean didn't have time to go to the concert last night because she was busy ______ for the examination.

A.to prepare

B.to be prepared

C.preparing

D.being preparing

正确答案：C

答案解析：本题考查be busy doing为习惯用法，表示：忙于做什么。句中意思为Jean因忙于准备考试，故昨晚没时间去听音乐会。