They found the remains of buildings     under the sand，together with a lot of treasures．

A．being buried

B．buried

C．to be buried

D．burying

椎间盘突出位于神经根的上方：（）

A．腰椎凸向健侧

B．腰椎凸向患侧

C．压迫马尾神经

D．腰椎峡部不连

E．两侧均有坐骨神经痛