WHICH MEANS 和 THAT IS 有区别吗

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

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

你要把题的出处啊答案啊写出来啊.这样别人才会回的.

which means 比that is 好,OG说它更书面语.