12．A．officesB．schoolsC．citiesD．places
12．
A．offices
B．schools
C．cities
D．places
相关考题：
In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a ____, which consists of __请作答该选项__ indicated using a circle, and ____ shown as a rectangle. These two components can be linked by means of a directed arC．A.positions B.resources C.conditions D.places