After Implementing a Solution,a Problem Is Considered Resolved After Which

Multiple Choice

After implementing a solution,a problem is considered resolved after which of the following has occurred:

A) A verification of full system functionality has been confirmed.
B) The user informs tier 1 support that the problem no longer exists.
C) The user has not contacted tier 1 support after 48 hours.
D) The technician has tested the user's system.