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