Brad Is Widely Acknowledged as One of the Best Sales

Brad is widely acknowledged as one of the best sales trainers in the real estate business. He has often been described as having an intuitive grasp not only of real estate sales techniques, but also of the methods for teaching them. One day after a seminar, a new trainee named Tiffany approaches him and asks him to teach her how to do what he does. Dropping the friendly persona that was typical of his on-stage presence, he simply said "I can't," and walked out. Brad was

A) wrong, because he placed too great an emphasis on his own abilities and paid too little attention to the importance of being diplomatic.
B) right, because he had already spent a great deal of time teaching at the seminar, and whatever he needed to convey had already been conveyed.
C) wrong, because clearly Tiffany was eager to learn, and almost anything can be taught to someone else if that person is eager and willing enough to learn.
D) right, because it is not his job to train potential competition-especially someone of the opposite sex who might be attempting to gain an unfair advantage.
E) right, because what he does is based on experience and his personal qualities, and is probably not something he could teach someone else how to do, even if he wanted to.