A Young Man Who Has Been Diagnosed as Sterile Says

A young man who has been diagnosed as sterile says to the nurse,"I am not much of a man or a husband." The nurse's most therapeutic response would be:

A) "I know you feel awful, but you can always adopt."
B) "How do you feel about artificial insemination?"
C) "What about this sterility diagnosis concerns you the most?"
D) "Sterility isn't the end of the world, is it?"