Option B is the Correct choice because, On organization Datachamps add admin-bigquery to the predefined role bigquery.admin this provides permissions to manage all resources across the project and manage all data across the project, and can cancel jobs from other users running across the project.. Add Monitorbigquery to the predefined role bigquery.dataViewer ,when applied at the project or organization level, this role can also enumerate all datasets in the project and this the appropriate role to fulfil the objective of monitoring tables across all projects .