莫言是凭借什么获得诺贝尔文学奖的?

凭借作品《蛙》此次问鼎诺贝尔文学奖.诺贝尔委员会给其的颁奖词为：莫言“将魔幻现实主义与民间故事、历史与当代社会融合在一起”.(The Nobel Prize in Literature 2012 was awarded to Mo Yan "who with hallucinatory realism merges folk tales,history and the contemporary".)