In “Leaves of Grass”, Walt Whitman is concerned with openness, i

In “Leaves of Grass”, Walt Whitman is concerned with openness, individualism and （ ）.
A、freedom
B、industry
C、evils
D、economy
【正确答案】：A
【题目解析】：开放，自由，尤其是个人主义都是惠特曼的《草叶集》所关注的。