單項選擇題

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)處應(yīng)選擇()

A.waterfall model
B.workflow reference model
C.evolutionary model
D.spiral model