What is the result of America being an expansive country, according to the text?
选项:
A: Long distances exist between most state lines, requiring much travel.
B: Long distances exist between the countries that border the U.S.
C: Many people never travel abroad, since so much U.S. travel can be done.
D: Many Americans prefer to travel to neighboring countries.
发布时间:2024-06-30 12:26:28