举高消防车应配置与支腿数量相等的支承墊板，支承墊板的面积应保证支撑面所受的压强小于等于800KPa。每块支承墊板的重量不得大于（）

A.SCX5180GPM80
B.SCX5180GXFPM80
C.SCX5180GXFPM60/20
D.SCX5800GXFPM18

A.≥12
B.≥9
C.≥11
D.≥10

A.350mm
B.270mm
C.200mm
D.150mm