GMAT Sentence Correction (SC) | Re: In virtually all types of tissue in every animal species

In virtually all types of tissue in every animal species dioxin induces the production of enzymes that are the organism’strying 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