What is the default behavior of NAT control on Cisco ASA Software Version 8.3?

What is the default behavior of NAT control on Cisco ASA Software Version 8.3?

A.
NAT control has been deprecated on Cisco ASA Software Version 8.3.

B.
It will prevent traffic from traversing from one enclave to the next without proper access
configuration.

C.
It will allow traffic to traverse from one enclave to the next without proper access configuration.

D.
It will deny all traffic.