某地以北是中纬度,以南是低纬度,以东是东半球,以西是西半球,该地位于( )
A:经度0°,北纬66.5°
B:西经20°,北纬66.5°
C:东经160°,北纬60°
D:西经20°,北纬30°
—Is Ann your sister?
—__________. She is my friend.