The plan just because people were unwilling to cooperate.A. broke downB. pulled downC. tur

问题补充：

The plan just because people were unwilling to cooperate.

A. broke down

B. pulled down

C. turned down

D. put

答案：

(答案→)A. broke down

B. pulled down

C. turned down

D. put

解析：本题为词语的辨析。break down指失败，（车等）抛锚；pull down指推倒；turn down指拒绝；put down指放下。