What should an administrator do to troubleshoot this issue?

A user accidentally created a duplicate opportunity and is unable to delete the duplicate record.

What should an administrator do to troubleshoot this issue?
A . Run a report of all opportunities to identify other possible duplicates.
B. Check the user profile permissions on the Opportunity object to see if they have permission to delete.
C. Advise the user to mark the duplicate opportunity Closed Lost and keep it in the system.
D. Change the user’s profile to System Administrator so they have full permissions to delete object records.

Answer: C