Clark,a Fellow Salesperson,has Become Very Frustrated by His Inability to Handle

Clark,a fellow salesperson,has become very frustrated by his inability to handle customer complaints."Frankly,I don't know what to do when a customer starts telling me about a problem," he says.You should advise Clark to:

A) adopt an antagonistic attitude.
B) assume the problem is the customer's fault.
C) handle the grievance in a friendly manner.
D) attempt to sell a different product to the customer.
E) do none of the above.