D is correct
the default for all the roles in Azure AD Privileged Identity Management - Privileged Identity Management (PIM) is a service in Azure Active Directory (Azure AD) that enables you to manage, control, and monitor access to important resources in your organization.
an Azure AD Identity Protection user risk policy - Identity Protection can calculate what it believes is normal for a user's behavior and use that to base decisions for their risk.
an Azure AD Identity Protection sign-in risk policy - Identity Protection analyzes signals from each sign-in, both real-time and offline, and calculates a risk score based on the probability that the sign-in wasn't performed by the user. Administrators can make a decision based on this risk score signal to enforce organizational requirements. Administrators can choose to block access, allow access, or allow access but require multi-factor authentication.