You develop a web application that provides access to legal documents that are stored on Azure Blob Storage with version-level immutability policies. Documents ...

You develop a web application that provides access to legal documents that are stored on Azure Blob Storage with version-level immutability policies. Documents are protected with both time-based policies and legal hold policies. All time-based retention policies have the AllowProtectedAppendWrites property enabled.
You have a requirement to prevent the user from attempting to perform operations that would fail only when a legal hold is in effect and when all other policies are expired.
You need to meet the requirement.
Which two operations should you prevent? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. adding data to documents B. deleting documents C. creating documents D. overwriting existing documents