How Does a Functional Cpacity Evaluation Help Determine a Patient's

How does a functional cpacity evaluation help determine a patient's ability to return to a particular work environment?

A) While asking the patient to perform specific physical tasks,the therapist documents what cannot be done.
B) By asking the patient a series of questions,the tester determines what type of accommodation will be needed.
C) Using tasks similar to the job demands,it determines work-related capabilities and functional limitations.
D) The patient is observed by the therapist while attempting to perform job tasks in the actual work environment.