What is the purpose of the Policy Check feature on FortiManager?

What is the purpose of the Policy Check feature on FortiManager?

A. It provides recommendations for optimizing policies in a policy package. B. It provides recommendations to combine similar policy packages within an ADOM into one single policy package. C. It compares the policy packages with the revision history, and updates policy packages in the ADOM database. D. It merges and creates dynamic mappings for duplicate objects used in a policy package.