885sectionC－1

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

D    第三个 that 语法上什么作用？ 是否是对mechanisms的进一步解释说明，和第一个that并列。 that is作插入语，把that is改成and语法逻辑上正确嘛？

是mechanisms that screen out ...

第一个that和第三个that都是定语从句修饰mechanisms;第二个that is 是个插入语