请选择ABC9C7m0Y.fThe traffic lights are the same in every country. There are always three lights:_______.G.z'o2s0O8O;T
A. blue, red, green.G.z'o2s0O8O;T
B red, orange, green.G.z'o2s0O8O;T
C.red, yellow, green.G.z'o2s0O8O;T