真题一道 --- 答案是什么道理？

这道题答案是C， 但C是什么语法结构？ 没有谓语呀？A为什么不行呢？

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