How Can Guilty Suspects Fool a Polygraph Test

Multiple Choice

How can guilty suspects fool a polygraph test?

A) by simply denying any and all involvement in the crime for which they are being questioned
B) by meditating prior to the administration of the test
C) by lying in response to any crime-relevant questions,but telling the truth in response to the control questions
D) by artificially inflating their arousal to control questions by tensing their muscles