The correct answer is: A. data escrow
Data escrow is the process of storing data in a secure location so that it can be accessed in the event of a disaster or other disruption. It is often used by businesses to protect their data from loss or corruption.
User interaction is the way that users interact with a service. It includes the design of the user interface, the way that users input data, and the way that the service responds to user input.
Adoption drivers are the factors that influence whether or not users adopt a service. They include the perceived value of the service, the ease of use, and the cost.
None of the other options are aspects of the service that are abstracted away.