How do you update the application to add the new ruleset version?

You want to create a new minor version of an application ruleset to add a new feature to your application. The new feature will be made available to users in a phased rollout.

How do you update the application to add the new ruleset version?
A . Lock and roll the existing ruleset, and update the existing application version.
B . Lock and roll the existing ruleset, and create a new application version.
C . Create a new application version and add the new ruleset version as a production ruleset.
D . Create a branch ruleset and a new application, and add the branch ruleset to the application.

Answer: A

Explanation:

Reference: https://community.pega.com/knowledgebase/articles/how-use-lock-and-roll-feature-managing-ruleset-versions