Hello there! This is one of thoses questions that really only you can answer, if you pick a book and a character come back and I will help you with the rest.
I don’t know I think it’s 2, 3, 4, 6
B. This is false. The first wave of postmodern literature started after World War II.
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.