ACCorDing to thE pAssAgE, Dogs AnD CAts ______ .
A．As wEll As humAn BEings CAnnot sEE somE Colours
B．hAvE FEwEr ConEs thAn humAn BEings
C．hAvE lEss roDs thAn humAn BEings
D．CAn sEE Colours As wEll As humAn BEings