Which scenario best exemplifies the concept of Continuous Integration $($Cl$)?$Developer A writes code for a new feature and manually integrates it with the main branch at the end of the week.Developer B commits code changes to a shared repository multiple times a day, triggering automated tests and builds.Developer C writes code independently for weeks before merging it with the main branch for testing.Developer D writes code directly in the production environment and monitors its performance in real$-$time.