Which of the following sentences uses a participle? A. Already looking forward to the next Carnival, the masquerader began the next year's costume. B. The masquerader's shouting startled the little girl. C. The onlookers heard whispering behind them. D. The masqueraders love to surprise the tourists.

A participle is a word that takes the form of a verb but functions either as an adjective or a noun. The sentence that uses a participle is option A. Already looking forward to the next Carnival, the masquerader began the next year's costume. The participle that is being used in this sentence is the word "looking" taking the present participle form.