When he woke up,he heard the _______ of knocking at the door.A voice B noise C sound

问题描述:

When he woke up,he heard the _______ of knocking at the door.A voice B noise C sound

选C,the sound of knocking .敲门的声音
A,voice 声音,往往指人的声音、嗓音
B.noise噪音