— John failed his final exam.

— I'm not surprised at the news ______. ______, he is never seen busy with his lessons. [ ]

A. at all, After all

B. in all, After all

C. above all, In all

D. at all, In all

男性，60岁，双下肢无力半年，右腿明显，近2个月行走不稳，右手不能扣纽扣，无外伤史，无发热。体格检查，颈背部无明显压痛，两上肢前臂、手及上臂尺侧皮肤感觉均减退，右侧尤其明显，四肢肌张力增高，肱二头肌反射亢进，双侧膝踝反射亢进，右髌阵挛阳性，右巴宾斯基征阳性

应考虑的治疗是

A．颈枕吊带牵引

B．激素治疗

C．痛点局封

D．手术

E．颈托围领