包绕颈阔肌的颈部筋膜为
A．颈深筋膜浅层
B．颈深筋膜中层
C．颈深筋膜深层
D．颈浅筋膜
E．颈深筋膜全层
参考答案：D
There ____ any milk in this bottle. Could you give me another one?[ ]
A. is
B. are
C. isn't
D. aren't
沉没成本
