58岁男性，双下肢麻木无力4个月，双上肢无力、不能行走1个月，近2天排尿困难就诊。查体：双上肢肌肉萎缩，肌张力低，肌力3级，双肱二头肌反射减弱，双下肢肌力2级，肌张力高，腱反射亢进，双病理反射阳性。

如做辅助检查，应首选下列哪项（）

A.脑电图

B.头CT

C.腰穿

D.颈部X线片

E.颈部MRI

We kept watching the house in the garden until the lights of the house ______. [ ]

A. went down

B. went by

C. went on

D. went out