The answer to this question is the third statement which is "innate ideas exist because we are all born with them". Although there are some philosophers who disagree with this concept. Innate ideas are ideas that are inborn. We have already this idea even we don't have experience.
The answer is c, because the men know that if Curley has found Lennie, they would of tortured him and killed him brutally, and so George wanted to shot him out of mercy
This is the metaphor: “But there is something that I must say to my people who stand on the warm threshold which leads into the palace of justice.”
