The Son of a Dying Patient Tells the Nurse,"Mother Doesn't

The son of a dying patient tells the nurse,"Mother doesn't really respond any more when I visit. I don't think she knows that I am here." Which response by the nurse is appropriate?

A) "Cut back your visits for now to avoid overtiring your mother."
B) "Withdrawal can be a normal response in the process of dying."
C) "Most dying patients don't know what is going on around them."
D) "It is important to stimulate your mother so she can't retreat from you."