请选择CBA+z'@:n+N.P(f3M3Z5P*Z3r There are ________ on the floor.6L'T;{:J0K7w-y4o4R.`
A. three bag of rice6L'T;{:J0K7w-y4o4R.`
B. three bags of rice6L'T;{:J0K7w-y4o4R.`
C. three bags of rices6L'T;{:J0K7w-y4o4R.`