Although the huge engine, as tall as 25 meters, is heavy ___ , it is powerful and works well.     [    ]

A. carried                    

B. to be carried    

C. to carry                      

D. being exposed

下列腧穴主治不正确的是

A．内庭穴治疗牙痛
B．中渚穴治疗耳鸣耳聋
C．上星穴治疗鼻衄
D．长强穴治疗癫狂痫
E．公孙穴治疗头痛