拉线开关及暗装插座离地面最小高度分别应不低于（)。A.1m,0.3mB.1.5m,1.0mC.1.8m,0.3mD.2.0m,0.5m

拉线开关及暗装插座离地面最小高度分别应不低于()。

A.1m,0.3m

B.1.5m,1.0m

C.1.8m,0.3m

D.2.0m,0.5m

请帮忙给出正确答案和分析，谢谢！