Which Statement Best Represents the Communication Skill of Asking for or Giving

Which statement best represents the communication skill of asking for or giving permission to talk?

A) "You can tell me anything you want, but it annoys me when you don't come to bed when I do."
B) "I've always found it rather awkward to talk about sex."
C) "How come you never say anything when we're making love?"
D) "I know you don't want to hurt my feelings, but I'm wondering if I'm doing anything that you would prefer I not do."