Robert Lee Frost described （ ）as "a book of people," which shows an insight into New England character and the background.
A、A Boy's Will
B、A Witness Tree
C、North of Boston
D、A Further Range
【正确答案】：C
【题目解析】：罗伯特•弗罗斯特把《波士顿以北》描述成一本关于人物的书，这显示了对新英格兰人的特点以及其形成背景的敏锐的洞察力。
