Which of the Following Statements Is True of the Employee

Which of the following statements is true of the Employee Polygraph Protection Act?

A) If the state law regarding the use of lie detector tests is stricter than the federal law,it is preempted.
B) The act permits private employers to use mechanical lie detector tests for the purpose of screening applicants.
C) The act allows manufacturers and distributors of controlled substances wider use of mechanical lie detector tests.
D) It permits the employer to use lie detector tests on employees only if the employer is engaged in an investigation of theft.