______ is a branch of linguistics which studies the internal structure of words and the rules by which words are formed A.SyntaxB.GrammarC.MorphologyD.Morpheme请帮忙给出正确答案和分析,谢谢!
Black English, spoken mostly by a large section of non-middle-class American Blacks, belongs toA.ethnic dialect B.regional dialect C.sociolect D.idiolect 请帮忙给出正确答案和分析,谢谢!