【单选题】

如果故障信息依然存在，按压航电设备测试面板上的音频取消按钮。

A、If fault message continues, push the audio cancel pushbutton on the aviation electric test panel.
B、If fault message persists, press audio cancel pushbutton on the avionics test panel.
C、If fault message goes on, press audio cancel pushbutton on the airborne test panel.