GMAT Sentence Correction (SC) | Companies, which are paid by the government to

I think A would be correct IF
we used such form:
Companies, which are paid by the government to collect payments for the program’s mortgages and to guide borrowers through theprocess, - [comma here] are eager to see the administration repeal the homeowner protection statute, which has minimized those companies’ leverage in cases of borrower default.


I don't see anything wrong with E either...we have an -ed modifier, which modifies the companies
Companies are eager
which companies? the
...

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