Which statement is a conclusion that may be drawn from the data in the table?

A.The population of pea plants in the garden is in Hardy-Weinberg equilibrium.

B.The population of pea plants in the garden is growing larger in each generation.

C.The decreasing frequency of white-flowered plants shows that the population is drifting.

D.The increasing frequency of purple-flowered plants shows that the population is evolving.