Which of the following is not true about Walt Whitman?（）

Which of the following is not true about Walt Whitman?（）
A、Another characteristic in Whitman's language is his strong tendency to use oral English.
B、One of the most often-used methods in Whitman's poems is to make colors and images fleet past the mind's eye of the reader.
C、Whitman's vocabulary is plain.
D、Walt Whitman has proved a great figure in the literary history of the United States.
【正确答案】：C
【题目解析】：惠特曼诗歌中最常用的方法之一就是使色彩和意象从读者的脑海中掠过。惠特曼语言的另一个特点是口语化。沃尔特·惠特曼在美国文学史上是一个伟大的人物。惠特曼作品中的措辞很出彩。所以选择C选项。