When Considering Applicants for Positions in Your Department, Each of the Following

When considering applicants for positions in your department, each of the following hiring practices would comply with the Americans with Disabilities Act except:

A) requiring each job applicant to have a medical exam to verify ability to perform physical aspects of the job
B) making pre-employment drug screening a requirement for all applicants
C) questioning an applicant about the limitations created by a visible disability
D) refusing to hire a candidate whose disability would require the department to lower production quotas