The best and most correct answer among the choices provided by your question is the first choice or letter A. The <span>underlined adjective could also function as a verb is the word "gleaming."
The word modifies the feathers, but it could also function as a gerund.</span>
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Answer:
a controlling statement, like a claim
"During the shop’s peak hours – from eight in the evening till around midnight – one could hardly hear oneself talk because of the boisterous chatters that went on."