IT’S UNCLEAR WHAT THE PHRASE WHICH IS MADEWHICH REFERS TO THREE OR MORE

10. b.It’s unclear what the phrase which is madewhich refers to three or more. Choice bfrom recycled plastic bottlesmodifies—repeats the error. Choices dand euse thecarpeting, a singular noun, or fibers, a pluralwrong verb forms. The context, which refersnoun. Choice cis also confusing; does theyto an event in the past, and the rest of the sen-tence indicate that the simple past tense isrefer to carpeting or fibers? Choice dchangesthe verb form to correctly match the pluralrequired.fibers, but is unnecessarily wordy. Choice eis