—How about seeing the new comedy tonight?

—            I don’t like drama． 

A．It's not my cup of tea．

B．How come?

C．I'm right with you on that．

D．That's a deal．

靠近地磁极地区，磁针难以准确地指示南北方向的原因是（）.

A.地磁平分力太弱

B.地磁平分力太强

C.地磁垂直分力太弱