Which of the Following Is a Reason Why Business Demand

Which of the following is a reason why business demand for services is growing?

A) Companies are outsourcing more tasks to focus on their core business.
B) Service firms face more and more global competition.
C) Service science is becoming a legitimate field of study in its own right.
D) Consumers are routinely using a vast array of services.
E) Some service purchases involve careful thought and memorable experiences.