Which statements are true when multiple Scrum Teams work on a Software Product at the same time?

Which statements are true when multiple Scrum Teams work on a Software Product at the same time?
A . All Scrum Teams work in their own version control branch.
B. Code is merged at the Scrum of Scrums.
C. Each Scrum Team should have a different Product Owner.
D. The Scrum Teams must integrate their work before the end of the Sprint.
E. The Scrum Teams coordinate their work to deliver a single Increment.

Answer: D,E