In the use of colors, the color may be used chiefly and other colors may be used supplementally,or balanced colors may be useD.
A.black
B.yellow
C.green
D.blue
正确答案:black
In the use of colors, the color may be used chiefly and other colors may be used supplementally,or balanced colors may be useD.
A.black
B.yellow
C.green
D.blue
正确答案:black