Business Support Systems _____

Business support systems _____.

A) provide job-related information support to users at all levels of a company
B) simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied
C) process data generated by day-to-day business operations
D) include email,voice mail,fax,video conferencing,word processing,automated calendars,database management,spreadsheets,and integrated mobile computing systems