单选题The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which cons
题目
单选题
The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several（2）.
空白（1）处应选择（）
A
waterfall model
B
workflowreference model
C
evolutionary model
D
spiral model