Which of These Statements About Salesforce Training Is Most Accurate

Which of these statements about salesforce training is most accurate?

A) The training of sales managers is both expensive and extensive, unlike the training of salespeople, which is relatively inexpensive.
B) A major flaw in the sales industry is a lack of employer-sponsored training.
C) Sales ability is instinctive; it cannot be taught.
D) Salesforce training is an ongoing process that affects both new and seasoned salespeople.
E) A limitation of sales training is that it is too narrowly focused on "making the sale" rather than learning new business skills.