I want -- to eat A something nice B nice something C anythin

A
something/anything/nothing/everything+形容词 是一种用法
所以排除BD
something在这译为 某些事
anything译为 任一或任何事
明显something比较通顺,所以选A
还有,你别被误导了,anything是可以用在 肯定句的