Which two options should the administrator check?

An administrator has created a change set to include a validation rule and three custom fields in their personal sandbox. When clicking the button to upload to production, no target organizations are available.

Which two options should the administrator check? Choose 2 answers
A . The change set is in an open status.
B. Deployment connection needs to be authorized.
C. Deployment connection is incomplete.
D. The change set has missing dependencies.

Answer: B,C