Either you must stop eating my food from the refrigerator or you must pay me for it. 12. What is a prepositional phrase in the sentence? A. must stop B. eating my food C. pay me D. from the refrigerator

At the least, a prepositional phrase will begin with a preposition and end with a noun, pronoun, gerund, or clause, the "object" of the preposition.

The object of the preposition will many times have one or more modifiers to describe it. These are the patterns for a prepositional phrase

so the answer is d ... the refrigerator

I think the answer is D. I am not 100% sure though.