In Terms of Scheduling Advertising, Purchase Frequency Refers to

In terms of scheduling advertising, purchase frequency refers to

A) the number of times a buyer tries a product before becoming a brand-loyal customer of the firm's product.
B) the number of times a buyer purchases a product during its life cycle.
C) how often a consumer will try competitive brands before becoming a brand-loyal customer of the firm's product.
D) how frequently a product is purchased over a particular time period.
E) the idea that the more frequently the product is purchased, the less advertising repetition is required.