77. Although aspirin irritates the stomach, it can be avoided if the aspirin tablet is given a coating that will not dissolve until the tablet reaches the intestine.
(A) Although aspirin irritates the stomach, it
(B) The irritation of the stomach caused by aspirin
(C) The fact that aspirin causes irritation of the stomach
(D) Aspirin causes stomach irritation, although it（B）
(E) Aspirin irritates the stomach, which
不知道C为什么错呢？我记得OG里面好象有一个类似这样的题，不能直接用动词的。我觉得原文中讲的是一个事实，这个事实可以被避免。请NN们说说。 | 
