Question

The question is _________ .

A．so hard for us to understand it

B．too hard for us to understand it

C．too hard for us to understand

D．so hard for us to understand

Answer 1

C

试题分析：句意：这道题对于我们来说太难理解了。Too…to结构表示“太…而不能”，the question做understand的逻辑宾语，因此不应再加it，否则重复。故选C。