When Compared to Other Forms of Promotion,personal Selling

When compared to other forms of promotion,personal selling:

A) becomes more important as the number of potential customers increases.
B) tends to be more effective in selling frequently purchased products.
C) gives more freedom for the sales message to be customized according to the interests of the prospective customers.
D) provides better prospects for the sale of simple,low-involvement products that require little thought before purchase.