Which Is Generally True of How a Police Officer Should

Which is generally true of how a police officer should conduct an interview?

A) The officer should emphasize asking specific questions (e.g., "Did the offender have a mustache?") .
B) The officer should stop the individual at various points during his or her narrative for the purpose of gaining clarification.
C) The officer should return the individual to the scene of the crime because doing so might trigger the individual's memory.
D) The officer should rely on racial stereotypes to help trigger the individual's memory.