What happens when a virtual warehouse is resized?

What happens when a virtual warehouse is resized?
A . When increasing the size of an active warehouse the compute resource for all running and queued queries on the warehouse are affected
B . When reducing the size of a warehouse the compute resources are removed only when they are no longer being used to execute any current statements.
C . The warehouse will be suspended while the new compute resource is provisioned and will resume automatically once provisioning is complete.
D . Users who are trying to use the warehouse will receive an error message until the resizing is complete

Answer: B