How should NTO create a new user to fill in?

Northern Trail Outfitters (NTO) only has enough licenses for their staff. A campaign manager is out on parental leave

How should NTO create a new user to fill in?
A . Delete the campaign manager’s user and create a new user
B . Disable the campaign manager’s user and create a new user
C . Transfer the campaign manager’s permissions to a new user
D . Deactivate the campaign manager’s license and assign it to the new user

Answer: B