Which of the following types of promotion is most likely to use a customized appeal?

A. public relations

B. sales promotion

C. direct marketing

D. publicity

E. advertising

I think a is the answer

The correct answer is letter "C": direct marketing.

Explanation:

Direct marketing involves sales activities such as face-to-face interactions with prospective customers to provide them more personalized customer service and identify their needs and expectations. Salesclerks have the task to match clients' requests with the products the company offers. This type of sales approach is used for both individual sales and corporate offers.