___30,000 dollars a lot of money?Yes.But__ than we need

___30,000 dollars a lot of money?Yes.But__ than we need
A Isn't;it's a far more
B Aren't;they're far more
C Isn't;it's far less
D Aren't;they're far less

选C,30,000 dollars看成一个整体,用单数,far less than,比.少得多
句意：30,000 美元不是一大笔钱吗?是的,但是比我们所需要的少了很多.