Please read them carefully. ____ you are, ___ mistakes you’ll make.

A．The more carefully, the fewer

B．The more careful, the less

C．The more carefully, the less

D．The more careful, the fewer

选用补充概算定额“地下连续墙——深层水泥搅拌桩防渗墙——双头搅拌桩机”时，如墙厚为0.34m，人工定额乘以（）进行调整。

A.1

B.1.08

C.0.94

D.0.9