For a study that consists of personal interviews with participants (rather than mail or phone surveys), explain why simple random sampling might be less practical than some other sampling methods.

A. A simple random sample requires selecting each person one at a time

B. A simple random sample does not work with personal interviews

C. A simple random sample could be influenced by selections biases

D. A simple random sample would be less practical for personal interviews because of travel costs (unless the interviews are paid to go to a central interviewing location.)