观察早期骨嵴顶吸收情况应拍摄

A．全口曲面断层片

B．标准定位片

C．根尖片

D．水平投照片

E．骀翼片

What does the man hear
[A] He hears someone singing.
[B] He hears someone calling him.
[C] He hears someone calling the woman.