下列哪项不是脊神经的相邻结构（）。
A.椎间盘
B.椎体
C.椎间孔
D.棘突
E.关节突关节
参考答案：D
— I'm sorry I didn't attend your birthday party because my mother was ill.
— ________. Is your mother better now? [ ]
A. Forget it
B. Go ahead
C. Come on
D. Take your time
鼻痰包有以下哪些临床特征（）
A.多位于鼻翼处
B.多位于鼻前庭底皮下，牙槽突骨质表面
C.呈丘状或半球形隆起
D.触之有囊样感，不痛
E.触之较硬，触痛明显
cause my mother was ill. 
__. Is your mother better now? [ ]