with howElls, jAmEs, AnD mArk twAin ACtivE on thE litErAry sCEnE, ______ BECAmE thE mAjor trEnD in AmEriCAn litErAturE in thE sEvEntiEs AnD EightiEs oF thE 19th CEntury.
A．sEntimEntAlism
B．romAntiCism
C．rEAlism
D．nAturAlism