Bernie's Sales Manager Has Just Told Him That If He

Bernie's sales manager has just told him that if he wants to quit wasting time making presentations to people who aren't qualified he's going to have to think "MAD." What was the sales manager trying to tell David?

A) Set up a reward-punishment system for himself as a form of motivation.
B) He can improve his presentations and make them more memorable if he Makes Another Demonstration on each sales call.
C) He should spend his time thinking of Management who are Approachable and Devoted to the business.
D) Qualify his prospects by determining if they have Money, Authority, and Desire to buy.
E) Motivate his customer to pay Attention, and use his sales presentation to create Desire.