All of the Following Inquiries May Be Lawfully Asked of a Potential

All of the following inquiries may be lawfully asked of a potential sales rep except:

A) Should the applicant be addressed as Mr. ,Mrs. ,Ms,or Miss.
B) What the applicant didn't like about a job and why the applicant left a job.
C) Inquiries to the applicant's education and the years attending specific academic institutions.
D) Questions about convictions if they relate to the fitness of the applicant to do the job.
E) Who will care for the children if the applicant is hired.