肌肉拉伤时，若是肌腹中间完全断裂，常见的收缩畸形是（）。
A、伤处轻度凹陷
B、“双驼峰”畸形
C、“球状”畸形
D、伤处明显凹陷
参考答案：B
Mr. Black is very happy because the clothes made in his factory have never been _________.
A．popular
B．more popular
C．most popular
D．the most popular
车体振动加速度
