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
【正确答案】
C
【答案解析】
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。
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