单选题 With Howells, James, and Mark Twain active on the scene, ______ became the major trend in the seventies and eighties of the nineteenth century.

【正确答案】 C

【答案解析】19世纪七八十年代美国文坛上活跃的是现实主义文风。以马克·吐温和维廉·豪威尔斯为代表。