（ ） contribution to American literature is that he made colloqui

（ ） contribution to American literature is that he made colloquial speech an accepted standard literature medium.
A、Henry James’
B、Mark Twain’s
C、​​Dreiser’s
D、Howells'
【正确答案】：B
【题目解析】：马克•吐温对美国文学的贡献是，他使对话式口语成为一种被接受的文学手法。