I think that A could be the correct answer. The others are not as credible as A.
Solution:
When a customer makes a request or complaint, the goal of customer service is to show the customer how to remain calm and courteous.
Because the work of the costumer care is to serve as customers' first point of contact for complaints, questions, requests, feedback, or any other needs; these professionals are essentially charged with managing relationships between clients and the company.
Thus the required answer is D
It's called D. icon
We often see these icons on our desktop page as soon as we logged on to our personal computer.
The icon on the destkop will acted as a short-cut that will opened up and connected us with the program simply by clicking the icon.