Which of the Following Statements About Communications and the Services

Which of the following statements about communications and the services marketing triangle is true?

A) External marketing communications include advertising, public relations, personal selling and sales promotions
B) The apexes of the services marketing triangle are customers, employees and the company
C) Interactive marketing communications are exemplified by vertical and horizontal communications
D) All communications methods that relate to the services marketing triangle are either verbal or print
E) Service encounters are an example of internal marketing