Which of the Following Statements About Sales Training Is True

Which of the following statements about sales training is true?

A) Sales training usually isn't necessary if a new salesperson has had similar selling experience calling on the same customers for a competing company.
B) Sales training programs should focus on product and company information,since research shows that training is not effective in developing selling skills.
C) Sales training is usually needed only for new salespeople.
D) Sales training should include on-the-job observation,but classroom and web-based learning is rarely needed.
E) Sales training should be modified based on the experience and skills of the group involved.