what music!it___traffic noise.

C .sound 为系动词,无被动式.听上去像是.feel是感官上像.

sounds like
听起来像（sound系动）

C，听起来像...
sounds like,感官动词一般用主动式
类似的还有“XiaoMing *looks* like a monkey",
"the meal *tastes* delicious";
"the bread *smells* bad,throw it away!";
"the fur *feels* soft.

C.sounds like听起来象...