Which of the Following Statements About the Use of Humor

Which of the following statements about the use of humor in sales presentations is true?

A) If used at all, humor should always be derived from the buyer's personal experiences.
B) Let the prospect figure out where the humor is; keep a straight face when telling a joke.
C) Remember the time spent laughing over a good joke will put everyone more at ease.
D) Sell the joke like you sell your product and your company.
E) All of the above statements about the use of humor in sales presentations are true.