— What were you doing while he _____?

—  I _____ in front of the building. [ ]

A. was skating; stood

B. was skating; was standing

C. skated; stood

D. skated; was standing

男性，35岁，平素健康，先有低热（37.6℃）与全身不适1天，此后感两足麻木无力，逐渐加重，于3天内发展至两下肢完全性截瘫与大小便失禁。检查：两下肢完全瘫痪，肌张力低下，双侧Babinski征阴性， * * 水平以下痛、触觉均消失且无汗。腰椎穿刺检查：脑脊液正常，椎管通畅。脊椎平片（-）。诊断应是（）。

A.急性炎症性脱髓鞘性多发性神经病

B.脊髓肿瘤

C.急性脊髓炎

D.急性脊髓前角灰质炎

E.脊髓出血