The Family and Friends of a Person Who Recently Had

The family and friends of a person who recently had a liver transplant are upset because they have not been permitted to see the person after surgery. What would be the nurse's best response concerning the significance of this issue?

A) 'These types of visiting restrictions are common after transplants.'
B) 'You can't visit because the person is susceptible to infections and are in isolation.'
C) 'I am sorry but the person is too unstable to have visitors right now.'
D) 'The person's condition is critical post-transplant, so visitors are not advisable.'