Reverse urbanization refers to the phenomenon that urban residents take the initiative to flow from urban areas to suburban or rural areas due to work, life, environment and other reasons.
The option "Due to the adjustment of the establishment system, Ms. Lin's husband moved from the big city to the Gobi Desert thousands of miles away. In order to support her husband's work, Ms. Lin planned to take her son to settle down near the new residence" belongs to the reverse urbanization.