Answer:
C. "Of the coast"
Explanation:
Swahili, also called Swahili, Swahili, or Kiswahili, is an African language spoken mostly in Tanzania and Kenya, and in areas bordering Uganda, Mozambique, Congo (Democratic Republic), Rwanda, Burundi, Somalia, and Zambia.
Its origin is imprecise and should be located in contact on the African coast of the Indian Ocean, particularly on the island of Zanzibar, between Bantu, Arab and Persian communities, which gave rise to the Swahili civilization between the 8th and 12th centuries of the era Christian Swahili has literature written in the Arabic alphabet since the 18th century.