II. Correctness and effectiveness of expression (12%； 2% each)Direction: The following sentences test correctness and effectiveness of expression. Part of eachsentence or the entire sentence is underlined； beneath each sentence are five ways of phrasing theunderlined material. Choice A repeats the original phrasing； the other four choices are different.If you think the original phrasing produces a better sentence than any of the alternatives, select A； ifnot, select one of the other choices. In making your selection, follow the requirements of standardwritten English； that is pay attention to grammar, choice of words, sentence construction andpunctuation. Your selection should result in the most effective sentence—clear and precise, withoutawkwardness or ambiguity.
【題組】17. Designing a computer monitor requires not only an understanding of electromagnetism, chemistry,and the psychology of human vision.
(A) not only an understanding of
(B) both an understanding of
(C) an understanding of not only
(D) an understanding of both
(E) an understanding of