Mother was in the kitchen lunch while I was the coming exam.A. prepared; prepared for B

问题补充：

Mother was in the kitchen lunch while I was the coming exam.

A. prepared; prepared for

B. preparing; preparing for

C. prepared for; prepared

D. preparing for; preparing

答案：

A. prepared; prepared for

(答案→)B. preparing; preparing for

C. prepared for; prepared

D. preparing for; preparing

解析：考查动词用法。Prepare准备；prepare for为……准备。句意：母亲在厨房准备午饭，而我为即将来临的考试做准备。