Which of the Following Statements Should the Salesperson Use as a Denial

Which of the following statements should the salesperson use as a denial response to a prospect's objection?

A) "I think I might be able to explain that better to you after showing you this diagram."
B) "I think you have a point there; do you have any idea how we can improve that situation?"
C) "That's true.It does have a shorter shelf life, but that hasn't really been a problem.It is so popular it never gets to stay on the shelf that long anyway."
D) "Where did you hear that? Your source must have erroneous information."