As we stood on the top of the hill, we could see the beautiful scene that _______ before us.

A．had spread

B．has spread

C．spread

D．spreads

胸腰段脊柱骨折的临床表现包括（）。

A.畸形，后突，生理弧形消失

B.疼痛及肿胀

C.功能障碍

D.异常活动及骨擦音

E.可出现腹泻、腹胀、大便秘结等症状