【名词&注释】
优先权(priority)、抽象性(abstractness)、应用层(application layer)、流程图(flow chart)、概括性(generality)、链路层(link layer)、物理层(physical layer)、新系统(new system)、有效地(effectively)、主要依据(main basis)
[单选题]The complete database application can be divided into three major categories:data presentation.businesslogic,and data______.
A. storage
B. statistics
C. dispose
D. analysis