请高手完型填空

来源：百度知道 编辑：UC知道 时间：2024/05/12 03:59:15
sometimes students have trouble fact from fiction and many believe that such things actually exist
A to separate
B for separating
C separating
D of separating
请问空格处应选哪个？谢谢了

C
have trouble doing sth.

空格在哪？
原本的句子应该是这样吧？

Sometimes students have trouble ____ fact from fiction and many believe that such things actually exist.

如果是的话那答案是 C

C separating

我觉得应该是A