将下列词语补充完整。

水流(  )急    (  )(  )大雨    心(  )胆(  )    

(  )山越(  )   千(  )一(  )    (  )不(  )身   

(  )(  )荡荡   一夫当关、(  )(  )(  )开     碧波(  )(  ) 

They _____ on the program for almost one week before I joined them, and now we _____ it as no good results have come out.

A．had been working; are still working

B．had worked; were still working

C．have been working; have worked

D．have worked; are still working