The Best Response to a Postpartum Woman Who Tells the Nurse

The best response to a postpartum woman who tells the nurse that she feels "tired and sick all of the time since I had the baby 3 months ago" is:

A) "This is a normal response for the body after pregnancy. Try to get more rest. "
B) "I'll bet you will snap out of this funk real soon. "
C) "Why don't you arrange for a babysitter so you and your husband can have a night out?"
D) "Let's talk about this further. I am concerned about how you are feeling. "