Refer to the exhibit.

Which statement about the configuration between the Default and BR regions is true?

A.	Calls between the two regions can use either 64 kbps or 8 kbps.
B.	Calls between the two regions can use only the G.729 codec.
C.	Only 64 kbps will be used between the two regions because the link is "lossy".
D.	Both codecs can be used depending on the loss statistics of the link. When lossy conditions are high, the G.711 codec will be used.