You already got the answers. I'm confused on what you want me to do.
The answer to your question would be that the sentence that uses two prepositional phrases is the following one: The helicopter landed among the cars in the parking lot. The two prepositional phrases in the sentence are "among the cars" and "in the parking lot".
A prepositional phrase is a group of words made up of a preposition and its object. The object may be a noun, a pronoun, a gerund or a clause. What is more, a prepositional phrase functions as an adjective or adverb.
The answer to your question is b. ican gurantee i
Answer:
America is the only.country that uses the metric system
