The Main Benefit of Obtaining Feedback from Lost Customers Is

The main benefit of obtaining feedback from lost customers is:

A) to find out why they left and try to attract them back.
B) to find out what your competitors are offering.
C) to fix the cause of why they left before other customers also leave.
D) to allow you to keep them on your database, thus making your business seem more valuable to shareholders than it actually is.
E) None of these responses are correct.