A good story does not necessarily have to have a happy  ending, but the reader must not be left______.    [ ]

A. unsatisfied            

B. unsatisfying    

C. to be unsatisfying    

D. being unsatisfied

与牙列缺失修复前颌面部检查无关的是（）

A.检查颌面部两侧是否对称

B.上唇长度及丰满度

C.面中1/3高度

D.下颌开闭口运动有否习惯性前伸及偏斜

E.颞下颌关节有否疼痛、弹响、张口困难等