求解一道题目 关于as well as和and的用法

小镜mm

272.    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
我选了C，知道它是正确答案，但是我觉得E也可以，把as well as 看作 in addition to 的意思，吃鱼不仅reduce而且aid～～～请问这样理解是不是也可以啊～～～～
等nn们指点

小镜mm

thx ^^

mudiduange

E不对呀，as well as 前后应该保持一致呀