A Position Is Different from an Interest in Negotiation in Which

A position is different from an interest in negotiation in which of the following ways?

A) Positions are the intangible motivations, and interests are the concrete things we want.
B) Positions are the concrete things we want, and interests are the demands each party in the conflict set as a final offer.
C) Positions are why we want what we want, interests are why we need what we need.
D) Positions are the concrete things we want, interests answer the question why we want what we want.