Correct statement regarding Continuous Integration

Question:
Select the correct statement regarding Continuous Integration

1. Continuous Integration is integrating long lists of features, all at once
2. Continuous Integration is continuously deploying to production
3. Continuous Integration is working in long-lived development branches with developers adding to the development branch
4. Continuous Integration is building, testing, and integrating, which results in potentially deployable code

Answer:
D - is the correct answer. Developers work in short-lived branches that are merged into the master