Sentence Correction

Although a number of excellent studies narrate the development of domestic technology and its impact on housewifery, these works do not discuss the contributions of the women employed by manufacturers and utility companies as product demonstrators and publicists, who initially promoted new and unfamiliar technology to female consumers.

A. by manufacturers and utility companies as product demonstrators and publicists,
B. to be product demonstrators and publicists by manufacturers and utility companies,
C. to demonstrate and publicize their products by manufacturers and utility companies
D. by manufacturers and utility companies to be demonstrators and publicists of their products
E. by manufacturers and utility companies to demonstrate and publicize their products

A

The relative pronoun 'who" cannot refer to anything other than humans and only A has humans as demonstrators and publicists. Therefore, A.

NandishSS wrote:The relative pronoun 'who" cannot refer to anything other than humans and only A has humans as demonstrators and publicists. Therefore, A.

i dont think so. choice d can be correct because who can refer to demonstrators and publicist by jumping over "their products". this jumping is good if the in between phrase modifies the headnoun, but is not an adverb of the sentence.

choice d is wrong because of "to be". it is not idiomatic inhere