A supervisor assigns tasks by this priority rule: safety tasks first, then deadline-driven tasks, then routine tasks; within each category, most complex tasks are assigned first. Task A is routine and complex, Task B is safety-related and simple, Task C is deadline-driven and complex, Task D is safety-related and complex. What is the correct assignment order?
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A
D, B, C, A
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B
A, C, B, D
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C
B, D, C, A
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D
C, A, D, B