The correct description of Sudanese culture from the options provided is: Fava beans are common throughout Sudan.
Sudan has a rich culinary tradition, and fava beans (known locally as "foul") are a staple in Sudanese cuisine. The other statements are incorrect: traditional homes are often made from mud or local materials rather than concrete, bomba drums are traditionally used in cultural contexts rather than specifically for telling current events, and while there are Christians in Sudan, Islam is the predominant religion.