Final answer:
To edit a feature class in ArcGIS Pro, you start an editing session on the Edit tab, which is true. This session provides tools to create, modify, or delete features, and changes must be saved before ending the session.
Step-by-step explanation:
To edit a feature class in ArcGIS Pro, you indeed start an editing session on the Edit tab. Thus, the correct answer to this question is a) true. When you are ready to make changes to your feature class, you can go to the Edit tab on the ArcGIS Pro interface, and from there you have various tools available to create, modify, or delete features. It is important to save your edits before ending the session to ensure that all changes are applied to the feature class.