请教nn一道语法题...谢谢:)

vict2006

The attorney turned down the law firm's offer of a positon because she suspected that it was meant merely to fill an affirmative action quota with no commitment to minority hiring and eventually promoting .

A quota with no commitment to minority hiring and eventually promoting

B  quota,having no commitment to minority hiring and eventually promoting

C quota and did not reflect a commitment to minority hiring and eventual promotion

D quota,not reflecting a commitment to minority hiring and eventual promotion

E  quota ,not one that reflected that minority hiring and eventual promotion was a commitment  

为什么是c啊??

思故

有名词形式不用动名词 选含promotion的选项C或D。

C：it指代a positon，句子结构：she suspected that it was...and (it) did not reflect...