Sentence Correction

423. 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) attempt to metabolize, or render harmless, the chemical irritant

IMO E

What is OA?

"attempt to try" is redundant - so (C) and (D) are out

In (A), the chemical that is irritating it is wordy

In ((B), "trying that it metabolize" is awkward.

So, (E) is the correct choice.

IMO E

OA is E