Question

【题目】It's really foolish ________ what he says.
A.for him to trust
B.of him to trust
C.to him trusting

Answer 1

【答案】B
【解析】句意：他真是太傻了，相信他说的话。根据固定句型 It's +形容词+of sb.to do 表示对于某人来说做某事是……。根据题意故选B。