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) attempt to metabolize, or render harmless, the chemical irritant 选E。我想问为什么不选A，og上给的解释是the phrase the organism's trying to metabolize in A is unidiomatic because trying is used as the object of organism's.我觉得这个解释不合理，为什么不能用trying作organism‘s的宾语啊。 | 
