Which of the Following Statements About Prospecting Is FALSE

Which of the following statements about prospecting is FALSE?

A) Current and previously satisfied customers are the most effective source for leads.
B) Regardless of what a salesperson's product is, prospecting techniques are basically the same.
C) Current customers can refer a salesperson to prospects in competitive firms within the same industry.
D) Current customers may be prospects for other products the salesperson sells.
E) Leads in the same industry in which the salesperson has already made sales are especially useful.