Final answer:
Copado creates a Promotion record from the target branch and merges metadata into it during the promotion process.
Step-by-step explanation:
During the promotion process, Copado creates a Promotion record from the target branch and merges the metadata into it. During the promotion process in Copado, a Promotion record is created from the source branch, and the metadata changes are merged into the target branch. This process helps manage the promotion of changes and updates from one environment to another within the Salesforce development lifecycle. Therefore, option B is the correct completion for the given statement. Copado is a Salesforce release management platform that facilitates the development and deployment of applications on the Salesforce platform.