Read the sentence. in a feeding frenzy, the pigeons descended upon the breadcrumbs that the kindly old man on the park bench continued to toss. which is a correct analysis of the sentence? the prepositional phrase “in a feeding frenzy” acts as an gerund phrase. the prepositional phrase “upon the breadcrumbs” acts as a verb phrase. the prepositional phrase “on the park bench” acts as adjectival phrase. the prepositional phrase “to toss” acts as an adverbial phrase.