—I'm leaving now.

—______ you turn off the lights and the computer.[ ]

A. To make sure

B. Make sure

C. Made sure

D. Making sure

读“北半球某地近地面与高空气压状况（热力原因形成）示意图”，回答下面各小题。

此时，图中M地吹（）

A.东北风

B.东南风

C.西北风

D.西南风