单项选择题
A.0.81B.0.92C.0.26D.0.83
A.灰白蓝绿B.灰白紫黑C.灰褐紫黑D.灰褐紫绿
A.2.0/2.5/3.0/0.75-1.5B.2.0/2.5/3.0/1.5-2.25C.3.0/3.5/4.0/1.5-2.25D.3.0/3.5/4.0/1.5-2.5