單項(xiàng)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.workflowreference model
C.evolutionary model
D.spiral model