男性，27岁，3天前搬重物后感腰痛，伴右下肢放射痛，咳嗽、喷嚏时症状加重，不能下床活动，以前无类似发作史。查体：腰椎活动明显受限，直腿抬高仅达10°，加强试验阳性。右足外侧外踝部皮肤感觉过敏，右跟腱反射减弱.X线平片腰椎生理弧度消失。

下列哪一项是分析是错误的()

A．腰神经根受压常表现有伸拇肌力减弱

B．腰～骶椎间盘突出通常是骶神经根受压

C．腰～骶椎间盘突出，感觉异常区在外踝部和足外侧

D．胫前肌肌力减弱常见于腰椎间盘突出

E．踝反射异常提示腰神经根受压

How do you think _________that he was an hour late on such a short journey?

A．it came about

B．did it come about

C．it was come about

D．was it come about