By offering lower prices and a menu of personal communications options, such as caller identification and voice mail, the new telecommunications company
has not only captured customers from other phone companies but also forced them to offer competitive prices.
(A) has not only captured customers from other phone companies but also forced them
(B) has not only captured customers from other phone companies, but it also forced them
(C) has not only captured customers from other phone companies but also forced these companies
(D) not only has captured customers from other phone companies but also these companies have been forced
(E) not only captured customers from other phone companies, but it also has forced them
egmat I have gone through concept files of pronoun. The process is helping me, but it is causing problems in the above kind of questions. Now that I know that a pronoun should have only one antecedent, which should match in number, refer proper meaning, and make sense, I think in Option A Them refers to Companies. Because customers cannot Offer Prices, only sellers can offer. And here the sellers are Companies.
So in that sense, won't Option C become Wordy?
And how to come solve my ambiguity issue? I see that Them can refer to both Customers and Companies, but per the context of logic and sentence, only Companies can offer prices and therefore Them should go with Companies, thereby eliminating any ambiguity.
Your post itself answers the question you posed. Since option A may as well imply that customers are forced to offer prices (not the correct meaning),the pronoun "they" is ambiguous. This is a solid reason for eliminating A.