Emerson's essays often have a（）style, for most of them were deri

Emerson's essays often have a（）style, for most of them were derived from his journals or lectures.
A、​casual
B、strict
C、formal
D、quiet
【正确答案】：A
【题目解析】：爱默生的文章通常都有一种随意的风格，因为大多数文章都是取自他的日记或讲座中。