Which one of the following is the BEST description of a service request?

A.
A request from a user for information, advice or for a standard change
B.
Anything that the customer wants and is prepared to pay for
C.
Any request or demand that is entered by a user via a self-help web-based interface
D.
Any request for change (RFC) that is low-risk and which can be approved by the change
manager without a change advisory board (CAB) meeting
Explanation:
i gave exam , all questions are received from this paper.
A
Here’s a few more practice questions for the ITIL Foundations exam:
https://www.youtube.com/watch?v=iXIipuC5MSo&index=1&list=PLNBuBpQJBfeUJWABJWv2OwzTXesuBuHUN