When Has Karen,an Industrial Supplies Salesperson,completed Her Job with a Particular

When has Karen,an industrial supplies salesperson,completed her job with a particular client?

A) When she overcomes the objections of the client.
B) When she closes a sale with the client.
C) Never,as long as she maintains a working relationship with the client.
D) When she follows up with the client to ensure that a correct and timely delivery was made.
E) When she thanks the client for the business and asks for other prospects.