According to this passage, which of the following is NOT true about the origins of Black English?
(A) The slaves, who came from different tribes, couldn’t communicate with each other without a common language.
(B) The slave traders were not familiar with the various African languages, so they invented a whole new language.
(C) The birth of Black English has much to do with the slave trade in West Africa.
(D) Black English came from the mixture of English and African languages.