Joanne Bought a Gift for Her Friend's Birthday from an Online

Joanne bought a gift for her friend's birthday from an online website.The service provider failed to deliver the gift on the day it had promised.The service provider provided coupons to Joanne a week later, which she could use to make more purchases online from them.The service recovery strategy that the service provider used in this instance was:

A) listening to the customer.
B) resolving the problem immediately.
C) achieving goals through training.
D) finding a fair solution.
E) not committing to service quality.