A product owner wants to plan a product release. Which statement about releases is correct in Scrum?

• ARelease planning is a Scrum event that occurs before each Sprint.
• BScrum defines five events and release planning is not among them. An Increment may be released whenever it meets the Definition of Done, including several times within a Sprint.
• CReleases must align with Sprint boundaries.
• DA release requires sign-off from stakeholders at the Sprint Review.