The main idea of the passage.
The answer is A, look up the definition and you will see why.
A prepositional phrase starts with a preposition. Although after can be used as a preposition, in this case it is an adverb, and is followed by a clause, not a phrase. The correct answer is thus to the movies, because the phrase starts with the preposition to.
Yes it is possible for a resource to be scarce in one part of the world and plentiful in another
