Which Questions Should the Nurse Identify as Illegal for the Interviewer

Which questions should the nurse identify as illegal for the interviewer to ask and therefore the nurse need not feel obligated to answer directly?

A) "Have you been hospitalized within the past year?"
B) "What are two important things about yourself that you would like me to know?"
C) "Do you have a criminal record?"
D) "What would you say is your greatest weakness in the clinical area?"