_______confuses many young peopleA butterflies being insectsB the fact that butterflies are insects为什么就不能选A呢?

问题描述:

_______confuses many young people
A butterflies being insects
B the fact that butterflies are insects
为什么就不能选A呢?

B 这是个主语从句,butterflies are insects 修饰前面the fact

选A的话,从语法来说,主语就是butterflies了,being insects作状语,谓语不能用单数形式confuses,而应该用confuse.此外,从语义来说,也不太妥.