You are code-checking your colleague's process model before marking it as Ready for Deployment. Which three best practic

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You are code-checking your colleague's process model before marking it as Ready for Deployment.
Which three best practices should be applied? (Choose three.)

A. All nodes should have exception flows
B. All XOR/OR gateways should have a single incoming ow.
C. All outgoing flows from a gateway should be labeled
C. Node inputs should not make the same query call more than once.
D. Activity chaining should be added to the majority of flows.