When Assigned to a Newly Admitted Patient with AIDS,the Nurse

When assigned to a newly admitted patient with AIDS,the nurse says,"I'm pregnant.It is not safe for me or my baby if I am assigned to his case." Which is the most appropriate response by the charge nurse?

A) "This patient would not be a risk for your baby if you use standard precautions and avoid direct contact with blood or body fluids."
B) "You should ask for a transfer to another unit because contact with this patient would put you and your baby at risk for AIDS."
C) "Wear a mask,gown,and gloves every time you go into his room and use disposable trays,plates,and utensils to serve his meals."
D) "We should recommend that this patient be transferred to an isolation unit."