In the Context of the Argument Making, There Is No

In the context of the argument making, there is no point to giving reasons __________.

A) if the listener is not going to rely on those reasons in deciding what to believe with regard to the claim
B) if the listener is not sure about whether the speaker's claim is true or false
C) if the speaker is often occasionally confused or mistaken about the facts of the matter
D) if the speaker is not going to listen to what the other person has to say in reply