A company migrated their entire data/center to Google Cloud Platform. It is running thousands of instances across multiple projects managed by different departments. You want to have a historical record of what was running in Google Cloud Platform at any point in time. What should you do? 

Answer options:

A. Use Resource Manager on the organization level.
B. Use Forseti Security to automate inventory snapshots.
C. Use Stackdriver to create a dashboard across all projects.
D. Use Security Command Center to view all assets across the organization.

C