OG10-6 抽象名词具体化

6. In virtually all types of tissue in every animal species, dioxin induces the production of enzymes that are the organism's trying to metabolize, or render harmless，the chemical that is irritating it.
(A) trying to metabolize, or render harmless, the chemical that is irritating it
(B) trying that it metabolize, or render harmless, the . chemical irritant
(C) attempt to try to metabolize, or render harmless, such a chemical irritant
(D) attempt to try and metabolize, or render harm¬less, the chemical irritating it
(E) attempt to metabolize, or render harmless, the chemical irritant
答案是E  没有问题

关于这道题目还是有一点小问题：

就是attempt是抽象名词，怎么能跟enzymes这个具体名词并列呢？

enzymes that are the organism's attempt...

主系表不是主语和表语必须抽象对抽象，具体对具体吗？

看了这样一条规则：

我想是不是：attempt已经抽象名词具体化了？另外有哪些抽象名词是能够具体化的呢？

有点钻牛角尖了可能...