The Order of the Stages in Means-Ends Analysis Are

The order of the stages in means-ends analysis are

A) establishing difference between current and goal state, selecting a mental operator, then creating sub-goals
B) selecting a mental operator, creating sub-goals, then establishing the difference between current and goal state
C) establishing difference between current and goal state, creating sub-goals, then selecting a mental operator
D) creating sub-goals, establishing difference between current and goal state, then selecting a mental operator