Which two statements describe the function of the off-net option in a route pattern?

A.	The off-net option indicates that if a call is not routed through this route pattern, it is considered off the local network, or "off-net".
B.	This option could be used to block an external call from transferring to an internal party.
C.	This option could be used to block an external call from transferring to an external party.
D.	The off-net option indicates that if a call is routed through this route pattern, it is considered off the local network, or "off-net."