_____ my friends and myself I thank you-without your help we would have lost our lives.[ ]

A. In contrast with  

B. In relation to

C. On behalf of  

D. Regardless of

对经批准操作权下放给下级调度的线路停、送电操作，上级调度机构值班调度员可对下级调度机构值班调度员发布（）

A.单项令

B.逐项令

C.综合令

D.预发令