Answer:
C
Step-by-step explanation:
A: Choosing a random mate does create variation and help the population evolve, but the Hardy-Weinberg equilibrium is talking about how allele and genotype frequencies in a population will remain constant from generation to generation
B: With selective mating only certain traits will get passed on, destroying the equilibrium. However, this doesn't answer the question
C: Yes. This is the essense of the Hardy-Weinberg equilibrium
D: This is wrong and illogical.