关于which和that的指代问题

3smoviesalon

1.     Not all employment selection mechanisms that have a “disparate effect,” that is, that screens out a percentage of minorities or women disproportionate to their presence in the relevant labor market, are unlawful.

(A) that is, that screens out a percentage of minorities or women disproportionate to

(B) which means, that screens out a percentage of minorities or women disproportionate with

(C) which means, that screen out a percentage of minorities or women disproportionate with

(D) that is, that screen out a percentage of minorities or women disproportionate to（D）

(E) that is, that screens out a percentage of minorities or women disproportionate with

which错在哪？

IORIYAGAMI

这里that is，是固定搭配，作插入语，表示也就是，即的意思，进一步解释

disparate effect的意思。

pretenderhus

我是根据be proportional to排除的