A.紅,白 B.白,黃 C.紅,綠 D.綠,黃
A.左,15,白或橙 B.右,15,白或綠 C.右,20,白或橙 D.左,20,白或綠
A.43,46 B.48,50 C.50,60 D.42.5,46.5