--Where is your sister?                   

--          .   [ ]

A. She works in a factory                  

B. She is in the kitchen, cooking  

C. She is a teacher in No.1 Middle School      

D. She 1ikes watching TV

舌根癌根治性放射治疗照射野的第一阶段方案用()

A.患侧小野

B.患侧面颈野

C.患侧面颈野+下颈、锁骨上野

D.双侧面颈野

E.双侧面颈野+双下颈、锁骨上野