It was foolish you to give up what you rightly owned.A. forB. ofC. aboutD. from

问题补充：

It was foolish you to give up what you rightly owned.

A. for

B. of

C. about

D. from

答案：

A. for

(答案→)B. of

C. about

D. from

解析：本句可以改成：You were foolish to give up...。形容词与非谓语动词之间有逻辑上的主谓关系。