_____ all that has happened, have a good preparation and try to start again. [ ]

A. Put up

B. Put aside

C. Put off

D. Put out

在工程网络计划的执行过程中，如果需要确定某工作进度偏差对总工期的影响，应根据( )的差值确定。

A．总时差与进度偏差

B．自由时差与进度偏差

C．自由时差与总时差

D．时距与进度偏差