25North of Boston is described by the author，Robert Frost，as “a book of people，” which shows a brilliant insight into（） character and the background that formed it.

25North of Boston is described by the author，Robert Frost，as “a book of people，” which shows a brilliant insight into（） character and the background that formed it.
A、the cowboy
B、New England
C、Ivy Colleague
D、ivory tower
正确答案：B