In Practice, Simple Random Sampling Should Be Strongly Considered

In practice, simple random sampling should be strongly considered

A) if the population is small and can be numbered easily.
B) in telephone surveys where random digit dialing programs may be used to generate numbers.
C) when population units are stored in an electronic file allowing computer programs to randomly select the sample.
D) All of the above are situations that allow for the practical application of simple random sampling.
E) None of the situations allow the practical application of simple random sampling.