a. stretching his arms
The **audience **sat quietly as the maestro, stretching his arms, began to conduct the orchestra. The **participial phrase **in the sentence is stretching his arms. The correct option is a.
What is a participial phrase?
A participle phrase is a group of words containing a participle, modifier, and pronoun or noun phrases. The Pronoun or **Noun **will act the recipient of the action in the phrase. We need a comma after a Participle Phrase if it comes at the beginning of a sentence and the following phrase is a complete sentence.
If the Participle Phrase is in the middle or at the end of a sentence , we do not need a comma. Participle phrases can be made up of either of the two types of participles the present participle and the past participle. Participle phrases act just like an adjective , an adverb or an adjective phrase in a sentence.
There are also participle phrases which are formed by a combination of the **present **and past participles; in other words, the perfect tense form of the verb, followed by other modifiers.
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The participial phrase in the given sentence is "stretching his arms," which describes the action of the maestro. This phrase contains a participle and provides additional detail about the subject. The correct answer is A.
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