In that terrible earthquake,      who were killed was more than 60,000.

A．a large number people

B．the number of people

C．a number of people

D．many people

颈椎病是否行手术治疗的主要依据是（）

A.X线平片是否合并后纵韧带骨化致椎管狭窄

B.CT片上颈脊髓受压的程度

C.MRI上颈脊髓受压的程度

D.临床症状和体征

E.患者对手术的期望程度