Choose the sentence that contains an adjectival prepositional phrase.

A. The shoe store across the street recently opened.

B. The dog ran around the table.

C. The game begins within an hour.

D. The tired campers rested underneath the tent.

The sentence that contains an adjectival prepositional phrase is the first one - A) The shoe store across the street recently opened, where across the street is the adjectival prepositional phrase.

The adjectival prepositional phrases are those that modify a noun or a pronoun such as the adjective modifies either a noun or pronoun. From the choices, the best answer would be letter D. This is because the word tired modifies the noun, campers.