— Do you know what made Susan so upset?I saw her weeping just now.   

— ___ giving away state secrets.   [ ]

A. Charged with    

B. Being charged with    

C. Accusing of    

D.To be accused of

极坐标法是平面点位测设的方法之一，比较适宜使用在放样点离控制点距离较近、便于测角量距的场合，测设效率高。