This problem _______ that one.  [ ]

A. are the same as        

B. is different from  

C. are different than      

D. is as easier as

根尖周囊肿最重要的诊断依据是

A．根尖周X线透射区周边有白线围绕

B．根管内有浅黄透明囊液

C．囊液可见胆固醇结晶

D．牙髓无活力

E．包括以上各项