If the Hardy-Weinberg Equilibrium Is Met,what Is the Net Effect

If the Hardy-Weinberg equilibrium is met,what is the net effect?

A) evolution leading to a population better adapted to an unchanging environment
B) no evolution,because the alleles in the population remain the same
C) very slow and continuous evolution with no increased adaptation
D) evolution leading to a population better adapted to a changing environment
E) very rapid and continuous evolution with no increased adaptation