GWD-10-Q36:GWD-11-19 请教

GWD-10-Q36:GWD-11-19

In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry.

A.    as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in

B.    as with much of Eastern Europe, an overwhelming proportion of women works, many in

C.    as in much of Eastern Europe, an overwhelming proportion of women work, many of them in

D.    like much of Eastern Europe, an overwhelming proportion of women works, and many are

E.     like much of Eastern Europe, an overwhelming proportion of women work, many are in

答案是C ，as和like 没有问题的， 我想问为什么是work 而不用works呢？an overwhelming propotion 不是应该跟单数么？难道是呵women保持一致？这又是为什么呢？

an overwhelming propotion是量词,相当于a lot