There Are Several Problems with Standard Polygraph Techniques Like CQT

Multiple Choice

There are several problems with standard polygraph techniques like CQT. Which of the following is NOT one of these problems?

A) In some people, lying produces little physiological response.
B) There is lack of standardization and significant subjectivity in polygraph examiners' scoring.
C) People who do not have faith in the validity of the polygraph may not respond in the way examiners expect.
D) Polygraph examiners believe in the importance of their mission and skills.