You are developing an application to ingest and process large volumes of events and data by using Azure Event Hubs.You must use Azure Active Directory (Azure AD) to authorize requests to Azure Event Hubs resources.You need to use Azure role-based access control (Azure RBAC) to grant permissions to a security principal at the narrowest possible scope.Which scope access level should you use?Select only one answer.A. consumer groupB. event hubC. namespaceD. resource groupE. subscription