Which of the Following Statements Regarding Communication Is Most Accurate

Which of the following statements regarding communication is most accurate?

A) Communication as a function of customer service refers to oral rather than written exchange of information.
B) Communication as a function of customer service refers to written rather than oral exchange of information.
C) Communication as a function of customer service refers exclusively to exchanges between the retailer and the ultimate consumer.
D) There should be little if any communication between an ultimate consumer and the manufacturer.
E) Improvement in transportation carrier information has improved the ability to trace information and schedule shipments.