You have an Azure subscription that contains a resource group named RG1 and the identities shown in the following table. You assign Group4 the Contributor role ...

You have an Azure subscription that contains a resource group named RG1 and the identities shown in the following table.

You assign Group4 the Contributor role for RG1.
Which identities can you add to Group4 as members?

A. User1 only B. User1 and Group3 only C. User1, Group1, and Group3 only D. User1, Group2, and Group3 only E. User1, Group1, Group2, and Group3