Only after you take part in the College Entrance Examination ______ that twelve years’ hard work is

worthwhile.  [ ]

A. can you realize                    

B. you can realize  

C. could you realize                  

D. you could realize

根据美国联合癌症分类委员会和国际抗癌联盟制订的TNM分期T表示（）

A.原发肿瘤

B.远处转移

C.区域淋巴结

D.血行转移

E.原位癌