(A) one who
(B) one of them who
(C) and one of them who
(D) one of whom
(E) one of which
Solution:
OG Solution:
The subject, presenters, must be followed by a limiting appositive _ such as one of whom, that identifies an individual from among a larger group. Choice D is best: one of whom best serves an appositive to the subject, presenters, because the phrase means "one from among several or many." Choice A, one who, is unacceptable because one who cannot refer to the plural presenters. Choices B and C are ungrammatical because who competes with one as the subject of is. Choice E employs which, a relative pronoun that does not refer to people (presenters), but only to things.
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