One of the Main Problems with Using Group Selection Arguments

Multiple Choice

One of the main problems with using group selection arguments to explain the evolution of altruism is that:

A) We now know that kin selection explains all altruistic behavior
B) "Cheaters" would be quickly eliminated by natural selection
C) Altruism requires opportunities for reciprocity, which few primates have
D) Selfish individuals should be able to outcompete altruists