[讨论][求助]不定式做定语prep1－35

35.   (26325-!-item-!-188;#058&002592)

（C）
                

In laboratory rats, a low dose of aspirin usually suffices to block production of thromboxane, which is a substance that promotes blood clotting, but not seriously interfering with the production of prostacyclin, which prevents clotting.

(A) which is a substance that promotes blood clotting, but not seriously interfering

(B) a substance that promotes blood clotting, but not seriously interfering

(C) a substance that promotes blood clotting, but does not seriously interfere

(D) which is a substance to promote blood clotting, but does not seriously interfere

(E) which is a substance that promotes blood clotting, but not a serious interference

D 答案中使用to promote blood clotting 做定语修饰名词substance是否正确？请教NN

这题楼主给的ans不是C吗???

怎么D会是肯定正确???

使用同位语结构不是更好???