Which words in the sentence make up the entire participial phrase? Paying for the flute, Tammy smiled brightly and thought about all the songs she would play. A. about all the songs B. Paying for the flute C. she would play D. smiled brightly

The correct answer should be B. Paying for the flute

That is because this is a phrase that is based on the participle Paying. In this case, it is a participle and not a gerund because it does not have the function of a noun, rather that of a verb.