Which options do you have to handle orphan nodes in your hierarchy? Note: There are 2 correct answers to this question.

Which options do you have to handle orphan nodes in your hierarchy? Note: There are 2 correct answers to this question.
A . Assign them to a level below the root.
B. Define an expression to determine a parent.
C. Assign them to a node at the root level.
D. Generate additional root nodes.

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Answer: C,D