單項(xiàng)選擇題土石料場(chǎng)規(guī)劃時(shí)應(yīng)考慮,土料、砂礫料的實(shí)際可開采總量與壩體填筑量之比應(yīng)為()

A.2~2.5,1.5~2
B.1.5~2,2~2.5
C.1~1.5,2~2.5
D.2.5~3,2~2.5