Danny Recently Disclosed to Sandy a Very Private Piece of Information

Danny recently disclosed to Sandy a very private piece of information. Which of the following responses should Sandy make if she wants to encourage the growth of their relationship?

A) "What did you say? I wasn't listening."
B) "I completely understand how you must be feeling. Is there anything I can do to help?"
C) "Wow-you really are messed up. Maybe you should see a professional."
D) "That's just weird. Please stop talking about this."