What should you do?

You need to meet the user requirement for Admin1.

What should you do?
A . From the Subscriptions blade, select the subscription, and then modify the Properties.
B . From the Subscriptions blade, select the subscription, and then modify the Access control (IAM) settings.
C . From the Azure Active Directory blade, modify the Properties.
D . From the Azure Active Directory blade, modify the Groups.

Answer: A

Explanation:

Change the Service administrator for an Azure subscription

✑ Sign in to Account Center as the Account administrator.

✑ Select a subscription.

✑ On the right side, select Edit subscription details.

Scenario: Designate a new user named Admin1 as the service administrator of the Azure subscription.

References: https://docs.microsoft.com/en-us/azure/billing/billing-add-change-azure-subscription-administrator