I _____  ping-pong quite well, but I haven't had time to play since the new year. [ ]

A. will play

B. have played

C. played

D. play

神经性聋时，听觉疲劳和听觉适应现象在程度和速度上均超过正常范围称为

A．病理性适应

B．音衰变

C．听觉过敏

D．重振现象

E．以上都不是