Because Even Innocent People Undergoing a Lie-Detector Test Are Likely

Because even innocent people undergoing a lie-detector test are likely to be aroused by questions about their guilt or innocence,the

A) guilty-knowledge technique should be employed when possible.
B) mock-crime procedure is often employed.
C) control-question technique is often employed.
D) polygraph is often employed.
E) group-contingency threat procedure is often employed.