求助NN一道难题

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

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

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

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

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

        应该选哪一项？

         

只有在A\C之间选择，其他错误都比较明显。

因为C更简洁。所以选C.

请大家注意此处much的用法：

a large amount of something

much of
Much of the city was destroyed in the attack.

这里的which和them是指women work吧？women这里不做成分，只是修饰work,them不能指代修饰词。我认为这里选C是为了指代明确，them指代复数women work很明确，但是which可以指代a proportion,因为是A of B的结构，用which指代不清，所以用只能指代复数的them.

一家之言，有误请指正

an overwhelming proportion of women work.

"an overwhelming proportion of women" is subject. "work" is predicate verb of the sentence.

if we want to introduce a clause, "many of who are in..." is fine.

if we want to use independent structure, "many of them in..." is fine.