For Simple Random Sampling,the Mean of All Possible Sample Means

Multiple Choice

For simple random sampling,the mean of all possible sample means is equal to the population mean when which of the following conditions is true.Choose the best possible answer.

A) Sampling is with replacement.
B) Sampling is without replacement.
C) Sampling is from an infinite population.
D) Sampling is from a finite population.
E) Sampling is with or without replacement and from an infinite or finite population.