There are few sentences in each question. Each sentence has pairs of words/phrases that are italicized/highlighted. From the italicized/highlighted word(s)/phrase(s), select the most appropriate word(s)/phrase(s) to form correct sentences. Then choose the best option.
i. It is ingenuous [A]/ingenious [B] to suppose that money did not play a part in his decision.
ii. A luxuriant [A]/luxurious [B] growth of grass makes the park attractive.
iii. Moral transgression [A]/violation [B] is sinful.