女性，22岁。因双肩酸痛伴四肢乏力、发麻，小便费劲1天来院急诊，病前有上感史。体检：颅神经（-），四肢腱反射（++），肌力Ⅲ级，肩及锁骨以下感觉障碍，两侧巴氏征（-）

为明确诊断最适宜的检查是（）

A.脊柱X线摄片

B.脊柱CT

C.脊椎管碘油造影

D.腰穿，查脑脊液

E.神经传导速度测定

A: Hi,Tony. 小题1: 

B: A lot of people were badly hurt in the Ya’an earthquake.

A: Yes, I feel so sorry about that. 小题2: 

B: What shall we do?

A:   小题3: 

B: Good idea! Money must be a problem.

A:   小题4: 

B: We can also collect school things for the students there.

A: Right! 小题5: 

B: You are so kind.