请教og6

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 harmless, the chemical irritating it（E）

(E) attempt to metabolize, or render harmless, the chemical irritant

.答案E 没问题，ETS一句解释看不太明白 The noun attempt could follow organism’s; also, it would parallel the noun enzymes, and parallelism is needed here because the sentence uses the linking verb are to equate enzymes and attempt

为什么不是the production of enzymes 平行attempt呢

如果是the production of enzymes平行attempt,那也应该是that is the organism’s ...