did+you+hear+a+noise+just+now?++为什么noise变成了可数名词

did+you+hear+a+noise+just+now?++为什么noise变成了可数名词 Did you hear a noise just now. Did you hear_____just now?选哪个,A.a noise B.noise noise是不是可数名词? noise是否可数名词? there()(be)a loud noise just now Did you hear just now? noise是否是可数名词? noise是可数名词吗? noise是可数名词吗,make a noise there's so much noise 怎么搞的,到底可不可数 noise是可数名词还是不可数名词? noise是可数名词还是不可数名词