Answer: Option D
Explanation: The technical development of the media campaigns is the third stage and the stage in the system that is directly affected by decisions from previously defined priorities.
Activities that achieve these targets are taken into account with the following conditions: media mixture, target customer, consideration of content, regional scope, planning, scope & duration, artistic dimensions & mood, versatility or requirements of budget.
Thus, from the above we can conclude that Myra is the developing stage.