If the problem of a guest is solved efficiently, quickly and delightfully , that guest is more likely to use the product or service again than if there was a problem in the first place. This has to do with customer satisfaction.
Customer satisfaction is defined as the extent to which a customer is happy or gets satisfaction from a product or service.
I don't like the way this is worded. An allegory is a short type of poem. Not a genre. But the answer is D. If you look at general poetry structure, it tells a vivid story in a confined manner.