How can this be accomplished?

Universal containers uses a private sharing model for accounts. A user who owns an account record needs to temporarly grant delete access to this records associated contacts to another user.

How can this be accomplished?
A . Use the manual sharing button on the account.
B. Transfer ownership of the account record to the user.
C. Manually add the user to the account team.
D. Add the user to the owner’s default account team

Answer: B