He said he ________Tibet.[ ]

A. is going to    

B. will go to    

C. was going    

D. was going to

关于CIN的论述，错误的是

A．是宫颈癌的癌前病变

B．根据病变侵犯上皮的程度分为三级

C．宫颈原位癌是指原发于宫颈的癌症

D．Ⅲ级包括重度不典型增生和原位癌

E．级别越低，自然退缩的机会越多