— What will they do to deal with the accident? 

— Ten doctors and five nurses have            a medical team and will start out right now. [ ]

A. worked out

B. made up

C. helped out

D. belonged to

商事仲裁裁决书自（）起发生法律效力。

A.作出后15日

B.送达当事人之日

C.作出后10日

D.作出之日