The plan ________ just because people were unwilling to cooperate.

The plan ________ just because people were unwilling to cooperate.

A.broke down

B.pulled down

C.turned down

D.put down

答案及解析： A

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。