Jimmy's Car Garage Provides Great Service to Its Customers by Providing

Jimmy's car garage provides great service to its customers by providing tips and guidelines to manage automobiles.The strategy used by the garage to reduce the standards gap is:

A) analyzing service performance by using service dimensions.
B) providing incentives to its service providers.
C) replacing people with machines.
D) achieving service goals through training.
E) understanding customers' expectations through research.