To Illustrate How Fire-Retardant His Company's Children Clothing Was,the Salesperson

To illustrate how fire-retardant his company's children clothing was,the salesperson took a pair of toddler-sized pajamas,placed them in the department store buyer's trashcan and set them on fire.Unfortunately,the buyer's plastic trashcan was not fire-resistant.The resulting fire damaged the buyer's carpeting and desk.This explains:

A) why the curiosity approach should not be used except on rare occasions.
B) how the showmanship approach can be inappropriate or fail.
C) why question approaches are used with such frequency.
D) why pre-approaches are important to sales success.
E) why customer benefit approaches are complex.