I believe that it is D. equinox.
The social media in Iran, in 2009, as well as after that, has mostly been used for propaganda. The freedom of the social media, thus the freedom of speech too, are very limited, almost non-existent in Iran. The government holds strongly the social media and it decides what can go through and what not, with the majority of the content being focused around the government and positives about it, showing the opposition in bad light, and even more, showing the enemies of the country is evil and that they constantly plot something against them.
Swidden is a term used for a land that is devoid of trees due to the cutting and burning of trees to make way for a vast area. It is also called slash and burn agriculture. Whereas wet rice agricultural is the planting of trees on a land that is dry and then filling it with water to help the seeds grow and when it is harvested, the land is to be drained with water.