The basalt columns may have（）sides.

A. Every Apple product is designed with the, overarching purpose of making the time one spends with Apple an enjoyable experience.
B. It might just be an e-mail from one customer to another.
C. Direct contact generally occurs in the course of purchase, use, and service and is usually initiated by the customer.
D. People’s expectations are set high in part by their previous experiences with a company’s offerings
E. In 2000. Mercedes-Benz introduced a system that automatically controls the distance between a Mercedes and the car in front.
F. However, many home users prefer Apple’s Macintosh operating system, which offers fewer features and configuration options.

A. has an attempt to buy with a good reason
B. recalls some past events and activities
C. enjoys seeing some images in his mind
D. gets a mental picture without consciousness