Answer: His knowledge
The Community is one of many Utopian though totalitarian communities run by a small group called the "Elders". One of the main distinctions of these communities is "Sameness"- the idea that everything, and everyone, should be the same. Is this the same person!
Imitation is a characteristic of an allegory.
The foot-in-the-door method is basically a psychological method where you ask for a small request first, then a bigger one later. So I think it's A, just because the others don't work. B is just straight up asking for a big favor, C is providing you with the "must-do" effect, and D is simply a favor for a favor.
Answer:
D, because John Locke was the person that influenced American Founders about freedom and liberty.