单项选择题

土无侧限抗压强度试验,加载时以轴向应变()的速度转动手轮,使试验在8~20min内完成。

A.0.5%/min~1%/min
B.1%/min~3%/min
C.3%/min~4%/min
D.4%/min~5%/min