Respuesta :
The correct answer is B.
A prepositional phrase is a group of words that lacks either a verb or a subject. It normally consists of a preposition and a noun or a preposition and a pronoun. It always has the object of the sentence and the preposition.
up the mountain is a prepositional phrase because there is no subject or object here. Up is a preposition and the mountain is the object of this sentence.
The correct answer is B. Up the mountain
Explanation:
In grammar, a preposition refers to usually short words that link elements in a sentence and provide information about time, place, manner, etc. Examples of prepositions include after, about, over, up, before, on, into, etc. On the other hand, a prepositional phrase includes a preposition and any other word that modifies it that is usually a noun or pronoun. This implies in the sentence presented, the one that id a prepositional phrase is "up the mountain" because this includes the preposition "up" and the noun it modifies or "the mountain". So, the correct answer is B.