What considerations should the app builder be aware of when creating the custom report type?

Universal Containers wants to create a report to show job applications with or without resumes.

What considerations should the app builder be aware of when creating the custom report type?
A . An app builder is unable to create custom report types for objects they do not have permissions for.
B. Once the report type has been deployed it is unable to be deleted.
C. A primary object selection is locked once the custom report type has been saved.
D. When a custom or external object is deleted the report type and reports remain butcause an error when the report is run.

Answer: C