单项选择题

Questions 11-13 are based on the following talk introducing office systems. You now have 15 seconds to read questions 11-13. What do office systems refer to according to the passage

A.Computerized equipment used in a business environment in a modem office.
B.Equipment used to create, store, process, or communicate information in a business environment.
C.Equipment used in satellite offices.
D.Equipment used to create a web page and download information from the Internet in a business or non-business environment.