Which one of the following statements best describes the purpose of an Update Set?

Which one of the following statements best describes the purpose of an Update Set?
A . An Update Set allows administrators to group a series of changes into a named set and then move this set as a unit to other systems
B. By default, an Update Set includes customizations, Business Rules, and homepages
C. An Update Set is a group of customizations that is moved from Production to Development
D. By default, the changes included in an Update Set are visible only in the instance to which they are applied

Answer: A