Colles骨折，最有诊断意义的体征是（）
A.局部肿胀并有骨擦感
B.典型畸形
C.局部压痛
D.反常活动
E.手功能受限
参考答案：B
What's the matter?[ ]
A. She is six.
B. She is a girl.
C. She cut her finger.
