A Nurse Is Assessing a Patient's Risk of Contracting a Sexually

A nurse is assessing a patient's risk of contracting a sexually transmitted disease (STD) .An appropriate question would be:

A) "You use condoms don't you?"
B) "Do you use a condom with each episode of sexual intercourse?"
C) "Do you have an STD?"
D) "You are aware of the dangers of unprotected sex,aren't you?"