Which of the Following Diagrams Represents the Cardinality Pairs for a Repair

Multiple Choice

Which of the following diagrams represents the cardinality pairs for a repair shop where supervisors place items that need repair in a common area where any available employee can work on the item? Naturally,employees are always repairing more than one item at a time,and more than one supervisor can drop off items that need repair.

A)

B)

C)

D) All of the above.