How is the underlined phrase in the sentence below used in the sentence? Frustrated by the woman’s response, the border guard repeated his question. (1 point) Responses as an adjective as an adjective as a noun as a noun as an adverb

The underlined phrase, "by the woman's response," is used as an adverb in the sentence. It modifies the verb "frustrated" and indicates the reason or cause for the border guard's frustration.