Consider the Adjacent Work Stations in This Two Card Kanban

Multiple Choice

Consider the adjacent work stations in this two card Kanban system.Work Center 3 has just pulled the Incoming Parts C box to their work station.Which of these statements is best?

A) The move card will move backward from Work Center 3 to Work Center 2.
B) The production card will move backward from Work Center 3 to Work Center 2.
C) The move card will move forward from Work Center 3 to Work Center 4.
D) Despite its name, the move card doesn't actually move from one station to the next, it will simply reside at Work Center 3 until the next box is finished.