<u><em>Let's first define what a prepositional phrase is. A prepositional phrase is a bunch of words and these words include a preposition and an object of the pronoun.</em></u>
<h2><u><em></em></u></h2>
<u><em>In this case, the answer would be "D" because 'under' is a preposition so the prepositional phrase would be 'under bridges'</em></u>
