All the preparations were ready to start.A. madeB. being madeC. having madeD. have been

问题补充：

All the preparations, we e ready to start.

A. made

B. being made

C. having made

D. have been made

答案：

(答案→)A. made

B. being made

C. having made

D. have been made

解析：本题首先需判断用被动，排除c。后半分句表示所有的准备已经完成，直接用过去分词表示状态。