A Company That Specializes in Water Purifiers Recently Installed a System

A company that specializes in water purifiers recently installed a system at John's house.John realizes that the system is faulty because water starts leaking within a few days of the installation.John calls the company's service team, which goes over the problem in detail with him and then sends service personnel to John's house to fix the problem.In this scenario, the company tried to resolve the issue by:

A) attempting to rectify the situation.
B) explaining the process they use to resolve complaints.
C) providing adequate compensation for the inconvenience.
D) replacing the system.
E) eagerly listening to John's complaint and resolving the problem.