You have an Azure Active Directory (Azure AD) tenant named contoso.onmicrosoft.com that contains 100 user accounts. You purchase 10 Azure AD Premium P2 licenses for the tenant. You need to ensure that 10 users can use all the Azure AD Premium features. What should you do? 

Answer options:

A. From the Licenses blade of Azure AD, assign a license
B. From the Groups blade of each user, invite the users to a group
C. From the Azure AD domain, add an enterprise application
D. From the Directory role blade of each user, modify the directory role

A

Reference: https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/license-users-groups