In Theory,what Happens When Innocent Suspects Are Subjected to a Polygraph

In theory,what happens when innocent suspects are subjected to a polygraph test?

A) They are more aroused by crime-relevant questions than control questions.
B) They are more aroused by control questions than crime-relevant questions.
C) They exhibit overall lower levels of arousal than guilty suspects.
D) They exhibit overall higher levels of arousal than guilty suspects.