Use the following information to answer the next few questions.
John is in the hospital recovering from kidney transplant surgery.He is currently taking a cocktail of anti-rejection drugs.Friends and family have come to visit with John,including his cousin Susan who is suffering from a cold.
-Why should Susan have stayed home?

A)She needs rest in order to recover from her illness.
B)John's immune system is suppressed due to the anti-rejection drugs he is taking.
C)She is more susceptible to contracting additional illnesses while at the hospital.
D)John's immune system is heightened due to the anti-rejection drugs he is taking.
E)Susan poses no risk to John's wellbeing.