English reading options English postgraduate English jokes about doctors

There is an irony in this joke, that is, "God always thinks he is a doctor". In fact, it is ironic that "doctors always regard themselves as gods". Item B means that these doctors care about their status (role) as much as God. The reason why I don't choose C is that I am endowed with some kind of power by others. Even when reading jokes, I find it ironic that doctors are overbearing and always feel that they should enjoy privileges, but in the eyes of nurses, it is not that "doctors are endowed with certain privileges." So even if you don't understand the meaning of option B, you can do it by exclusion. The point is to see the error of option c ~