What is the language style of Mark Twain?
A. Use of vernacular made colloquial speech an accepted♦ respected literary medium in literary history；
B.Words： colloquial, concrete and direct in effect；
C.Sentence structures： simple, even ungrammatical；
D.Local colorism： his characters are confined to a particular region and to a particular historical moment； speak with a strong accent； different characters from different backgrounds talk differently. (P481)
