Looking at him, we found（ ）hard to believe that he was well over

Looking at him, we found（ ）hard to believe that he was well over seventy.


A、

that


B、

/


C、

it


D、

what


【正确答案】：C
【题目解析】：

空格前面有谓语动词found，后面believe that之前没有谓语，说明空格处不能填连词，不选AD。后面有to do，说明空格处应该填it，it为形式宾语，to do 为真正的宾语。选C。句意：看着他，我们很难相信他已经70多岁了。