无人值班变电站的检修工作许可开工令，由调度直接下达到（）运行人员，其中省调管辖设备许可开工令下达给（）；汇报完工时，由运维操作站运行人员向（）汇报，省调管辖设备由（）向省调汇报。

In the nineteenth century, poor Europeans seeking to make their fortunes turned to America as a matter of course .

A．automatically

B．obviously

C．traditionally

D．resignedly