It was too late for the traveller to reach home, so they had to be ____   to shake down with blankets

in the inn parlour(接待室).   [ ]

A. eager    

B. glad    

C. content    

D. nervous

骨关节炎的主要病变是（）

A.关节内化脓性感染

B.关节特异性炎症

C.关节软骨退变和继发性骨质增生

D.关节骨质疏松

E.骨与关节慢性疼痛