Which of the Following Observations Is True

Which of the following observations is true?

A) In today's business environment, marketers are mainly middlemen.
B) Marketing has the sole ownership of customer interactions.
C) Only when all employees realize their job is to create, serve, and satisfy customers does the company become an effective marketer.
D) Marketers must clearly differentiate all customer-facing processes, such that every customer receives a personalized marketing message.
E) Marketers must avoid collaborating with other organizational departments, as it blurs functional responsibilities.