.

.Only under special circumstances________to miss the final examination.

A are students allowed    B allowed are students

C students  are allowed  D are allowed  students

下列哪种情况不是狭窄性腱鞘炎的体征（）

A.弹响指

B.扳机指

C.弹响拇

D.鼓槌指

E.握拳尺偏试验阳性