The Guilty-Knowledge Test Is Similar to a Polygraph Test Except

The guilty-knowledge test is similar to a polygraph test except that the guilty-knowledge test

A) measures a wider variety of physiological processes, including brain scans.
B) uses specially worded questions that should make guilty people nervous, but not other people.
C) asks people to write everything they know, instead of answering true-false questions.
D) can be administered to a large number of suspects at the same time.