First, you need to set the Active Directory Admin for the Azure SQL Server.
The next step is to connect to the database with the Active Directory account admin account.
And then finally create the contained database user by using the FROM EXTERNAL PROVIDER clause Option C is incorrect because you need to connect to the database using the Active Directory account admin account Option E is incorrect because you don't need to assign any RBAC role to the user
https://docs.microsoft.com/en-us/azure/azure-sql/database/authentication-aad- configure?tabs=azure-powershell