Emma noticed a special ski vacation package to Colorado for a low price during a television program. This led to a change in her desired state. Identify the type of change that occurred in Emma's desired state.
A. Her desired state revised upward because of new information.
B. She anticipated a decline in her actual state.
C. A natural deterioration of physical needs occurred.
D. Her desired state changed as the result of depletion of the current solution.