The distance between the two NAVTEX stations with the same B1 character should be not exceed（）nautical miles.

A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side

A.Navarea warnings
B.coastal warnings
C.local warnings
D.Meteorological warnings

A.Mobile Satellite Information
B.Motor ship Identification
C.Most Serious Information
D.Maritime Safety Information