The Central Limit Theorem is important in statistics because

A、for a large n, it says the population is approximately normal.;
B、 for any population, it says the sampling distribution of the sample mean is approximately normal, regardless of the sample size.;
C、 for a large n, it says the sampling distribution of the sample mean is approximately normal, regardless of the shape of the population.;
D、 for a sample of any size, it says the sampling distribution of the sample mean is approximately normal.