Which of the following BEST describes the characteristics of both the Arabic and Kurdish ethnic groups?
O A. Kurds mostly practice Sunni Islam, while Arabs mostly practice Shi'a Islam.
O B. Kurds mostly practice Shi'a Islam, while Arabs mostly practice Sunni Islam.
C. Both Arabs and Kurds are mostly followers of Sunni Islam.
O D. Both Arabs and Kurds are mostly followers of Shi'a Islam.