The app builder should verify that there is an Apex test that provides test coverage for the Flow. An Apex test is a unit test that verifies the functionality and quality of Apex code. Apex tests are required to deploy any change that contains Apex code or references Apex code, such as an auto launched flow3. The app builder should ensure that there is an Apex test that covers at least 75% of the Flow logic before deploying it to production in an active state4. Option B, C, and D are not things that the app builder should take into consideration when planning the deployment.