His business failure left him at the edge of desperation, but,         , he managed to go out of the shadow through years of efforts.

A．time and tide wait for no man

B．don’t count your chickens before they are hatched

C．no pains, no gains

D．time heals all wounds

公务员晋升职务需要具备的条件和资格有（）。

A.思想政治条件过硬

B.具备职务要求的工作能力

C.文化程度符合要求

D.具备规定的任职资历