患者，男，5岁，前牙反牙合，后牙近中错牙合，反覆牙合深，反覆盖小，牙齿无松动，牙列整齐，不伴拥挤。

斜面导板斜面与牙体长轴所呈的角度为 （）

A.15°

B.30°

C.45°

D.60°

E.70°

Millions of pounds' worth of damage _________ by a storm which swept across the north of

England last night.   [ ]

A. had been caused            

B. has been caused    

C. will be caused              

D. will have been caused