This occurs at the Exposition Stage of the story.
Jason is being told a key piece of information that will play a central role in the story. It introduces not only Jason and Mr. Manaby, but something that will drive future events, the 5:00 policy. The act of telling Jason is not yet Rising Action, however, because it only introduces the central elements of the story. The story has not yet begun to move towards its climax.
Ok.. Very good information.
Answer:
"Definition" Matches with " given an explanation of the unfamiliar word right in the sentence".
"Inference" matches with " Provides the general sense of an unfamiliar word with the main Idea of a sentence or paragraph"
"Synonym" matches with restates the unfamiliar word with another familiar word.
"Antonym" matches with contrasts the unfamiliar word with an opposite.
I believe it is A because the "greasers" were known to have greasy slick hair. You wouldn't see the jocks with that type of hair style which makes it a "social status"