A-A+
At that time many readers (found) (it) diffic
问题详情
At that time, many readers (found) (it) difficult (believing) what Jules Verne had written in his book (to be true).
A．found
B．it
C．believing
D．to be
参考答案
正确答案：C
解析：动词形式错误，应改为to believe。find it+adj+to do是固定结构，此处的不定式是 find的真正宾语，it是形式宾语。
