When Entering a Meeting Where You Are Presenting Your Product

When entering a meeting where you are presenting your product to a decision maker, it is best to:

A) Do all the talking, take control of the meeting.
B) Sit beside the decision maker, never stand.
C) Never sit during the meeting, it is important to stand at the front of the room the entire time, even if there is only one other person present for the meeting.
D) Sit across the table from the decision maker, and stand in a visible position when you are presenting.