They found ______ they are famous for only a short timeA it B this C that D them

问题描述:

They found ______ they are famous for only a short time
A it B this C that D them

that

C

C:that
因为:
A it B this D them 均不可做连词并充当后半句的主语

A ,"that" is omited here

口语中什么都不需要.
若是书面语,选C:that.