We(Americans) view friendship more tentatively, subject to changes in intensity as people move, change their jobs, marry, or discover new interests.
A.Americans don't think that friendship can remain unchanging. B.Americans think that in this changing world no friendship cannot exist. C.Americans prefer every thing new and they are always seeking for new things including friends. D.Americans think friendship can only last for a short period, they don't think there lifelong friends.正确答案A
