How do you create a custom query that allows a user to filter the structure when viewing the query? There are 2 correct answers to this question.

How do you create a custom query that allows a user to filter the structure when viewing the query? There are 2 correct answers to this question.
A . Add Selectable Structure to the query
B. Select All Descendants as a qualifier of the specific structure
C. Check the Use Selectable Structural Context button
D. Add Selectable Filter to the query

Answer: A,D