[問題] OG 221

由 **evelight** » 2005-05-02 00:18

221. Eating saltwater fish may significantly reduce the risk of heart attacks and also aid for sufferers of
rheumatoid arthritis and asthma, according to three research studies published in the New England Journal
of Medicine.

(A) significantly reduce the risk of heart attacks and also aid for
(B) be significant in reducing the risk of heart attacks and aid for
(C) significantly reduce the risk of heart attacks and aid
(D) cause a significant reduction in the risk of heart attacks and aid to
(E) significantly reduce the risk of heart attacks as well as aiding

Ans: C

我被這題的aid詞性搞昏了 @@@
OG說ABD裡的aid是名詞
查字典，aid的名詞動詞長的一模一樣，可當及物動詞也可當不及物動詞
作題目時以為aid都是動詞所以根本沒考慮詞性問題，完全用別的線索解 (汗)

請教各位高手，這題aid詞性要怎麼判斷呢？有什麼線索是我沒有注意到的嗎？
謝謝...