A. Assign the Privileged administrator role to User9 and configure a mobile phone number for User9
B. Assign the Compliance administrator role to User9 and configure a mobile phone number for User9
C. Assign the Security administrator role to User9
D. Assign the Global administrator role to User9
Explanation:
https://docs.microsoft.com/en-us/azure/active-directory/privileged-identity-management/pim-how-to-give-access-to-pim