The Chief Executive Officer $($CEO$)$ of a pharmaceutical company suspects that one of the senior scientists in the company has been selling confidential information to a competitor. The CEO asks the scientist to take a polygraph test. In the context of the Employee Polygraph Protection Act, which of the following is true of the given scenario?

a$.$

The scientist cannot be terminated for refusing to take the polygraph test.

b$.$

The scientist can sue the firm for illegally attempting to conduct the polygraph test.

c$.$

The CEO can fire the scientist for refusing to take the polygraph test.

d$.$

The scientist cannot refuse to take the polygraph test.