Regarding the Lie Detector Test,which of the Following Statements Is

Regarding the lie detector test,which of the following statements is FALSE?

A) Errors may occur on the polygraph even when questioning is done properly.
B) Thinking about upsetting thoughts during the irrelevant questions can significantly affect the accuracy of the lie detector.
C) The polygraph may be thrown off by self-inflicted pain,by tranquililzing drugs,or by people who can lie without anxiety.
D) The polygraph test's most common error is to label a guilty person innoncent.