As an administrator, you are asked to change user interface texts for some standard applications.

B: The language adaptation tool is the correct option to change user interface texts for some standard applications in SAP Service Cloud Version 2. As an administrator, you can use this tool to translate or adjust texts for most areas such as application work centers, Feed, Live Activity, Enterprise Search categories, and most texts created in the SAP CloudApplications Studio1. You can also export and import text pools for different languages and scenarios1.

References = 1: Translate and Adapt User Interface Texts | SAP Help Portal