Answer:
4
Explanation:
This is the correct answer because it correctly employs the comma to separate the prepositional phrase at the beginning of the sentences with the remaining part of the sentence.
The comma is necessary because without it the word time could potentially belong to the phrase if we were teenagers or to these licenses. The comma creates a needed pause in the sentence that allows the reader to oriente him/herself and keep the elements in context.
-a body paragraph of the essay
It is clear that this is a body paragraph in a comparison essay because it sets up only one of the texts and what that story is about. It gives important information and presents an argument about that text but if it were the introduction it would have to introduce both texts to set up the full essay.