Answer: A bank uses the resources of many customers to help finance loans to a few.
Explanation: A collective immunity is like a group of people being immune. And if all those people get immunized, then the people who can't physically get immunized will be okay. Now think of the collective immunity as a bunch of people that keep their money in a bank. Someone needs a loan from that bank because they don't have enough money, the "collective group" of people are helping that person out.
True. He explains how we should focus on ourselves and do get distracted by other things
The author compares countries to eggs.
The answer would be B. Pretentious.