单选题:在地形艰险及爆破量较小地段(如打水沟、开挖便道、基坑等),应优先选择以下(  )种爆破方式。

题目内容:
在地形艰险及爆破量较小地段(如打水沟、开挖便道、基坑等),应优先选择以下(  )种爆破方式。 A.钢钎炮
B.深孔爆破
C.药壶炮
D.猫洞炮
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