Excellent Salespeople May Not Make Good Sales Managers Because

Excellent salespeople may not make good sales managers because:

A) Some of the traits and skills needed to be a good sales rep are different from those needed to be a successful manager.
B) Top salespeople,when promoted to management,always expect too much from the people working under them.
C) Salespeople don't respect a boss who has had no previous managerial experience.
D) As a manager,the former sales rep does not spend enough time in the field working with the sales force.
E) None of these is correct.