In Manufacturing and Distribution there are two specific terms $-$ "Push" and "Pull" $-$ that are used to indicate a general approach to replenishment of stocks or in work flow between operations. A Lean $/$ JIT approach usually strives for a "Pull" strategy. Which of the following is most characteristio of a "Pull" system?

A$.$ Large lots are pulled from upstream stations.

B$.$ Problems become more obvious.

C$.$ Manufacturing cycle time is increased.

D$.$ Work is pulled to the downstream stations before it is actually needed.

E$.$ None of the above is true of a pull system.