(Choose 1 answer)
If the scope of control is used in subsystem structuring, then:
A. A user interface object is placed in the same subsystem as an entity object it updates.
B. A control object and all the entity and I/O objects it directly controls should all be part of one subsystem and not split among subsystems
C. A state-dependent control object is placed in a different subsystem from the objects it controls.
D. A user interface object is placed in a different subsystem from an entity object it updates.
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