某地西侧是西半球,东侧是东半球,北侧是北寒带,南侧是北温带,该地的地理坐标是( )
A:20°W,66.5°N
B:20°W,23.5°N
C:160°E,66.5°N
D:160°W,23.5°S
____you ask him ____ ____me later?
________, the headmaster rose to indicate that the conversation was ________.