读下图，分析回答。(1 4分)

(1)图中各点，     点距马六甲海峡最近。(2分)

(2)判断图中各地的方向关系：A在B的      方，D在c的      方，B在D的      方，C在B的      方。(4分)

(3)若一架飞机从A地飞往D地，沿最近路线的飞行方向是          。(4分)

(4)若飞机从B地飞往c地，沿最近路线的飞行方向是                                。(4分)

Is this the reason ________ she explained in the report for her success in the job?[ ]

A．what  

B．that  

C．how  

D．why