Option A is incorrect Because Azure Workbooks help provide a flexible canvas for data analysis and creating rich visual reports within the Azure portal, but not automation.
Option B is incorrect. Because Event Hubs is a fully managed, real-time data ingestion service, this tool will not suffice the stipulated objective Option C is incorrect Because Azure Functions apps would require more effort two build the automation.
Option D is correct Because the Logic app can be used with the workflow automation feature in Microsoft Defender for Cloud to trigger logic apps on security alerts, therefore, providing the ability to automate remedial action.
Reference:
https://docs.microsoft.com/en-us/azure/defender-for-cloud/workflow-automation