If you feel stressed, you should _______. [ ]

A. keep quiet

B. share your problems with friends or family members

C. shout at your friends and family members

D. be worried about it

下图是地球表面自转线速度等值线分布图。据此回答下列小题

图示区域大部分位于（）

A．北半球低纬度

B．北半球中纬度

C．南半球低纬度

D．南半球中纬度