I have more paper clips than_____,but my CDs are fewer than ____

题目

I have more paper clips than_____,but my CDs are fewer than ____
A she,hers B she,her C yous ,yous D hers her
为什么选A?

答案

than前后为并列结构,句式结构应保持一致
I have more paper clips than she (has),but my CDs are fewer than (her CDs)
第一个括号中谓语成分has可省略,第二个括号her CDs等价于hers
所以选A