Glenn Is a Salesperson for a Wine Distributor

Glenn is a salesperson for a wine distributor. One of his customers stated that she is unhappy because her last order was not delivered on time and contained several broken bottles. After listening carefully to get the whole story and taking responsibility for the problem, Glenn should:

A) offer the customer a discount on her next order.
B) ask the customer to call the after-sales support.
C) ask the customer how she would like the issue to be resolved.
D) avoid any further critical encounters with the customer.
E) tell the customer to write a review on the company's social media page.