早期原发性肝癌,目前最有效的治疗方案是()
A.化疗
B.手术切除
C.放疗
D.免疫治疗
E.肝移植+综合治疗
参考答案:B
---Where’s Mary? I didn’t see her this week.
--- I didn’t see her, _____.
A.other
B.too
C.either
D.instead