Question

ぽむぽむ

Dが答えというのはわかるのですが、なぜCがダメなのか教えていただきたいです。

Industrial wastes contain many kinds of bacteria acting as
pathogens or organisms
to cause disease.
(A) enable
(B) the ability of which
(C) those being able
(D) having the ability
P268

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