Whatcanweinferfromthelastparagraph?
[A]Monkeyscanbetr ainedtodevelopsocialemotions.
[B]Humanindignationevolvedfromanuncertainsource.
[C]Animalsusuallyshowtheirfeelingsopenlyashumansdo.
[D]Cooperationamongmonkeysremainsstable onlyinthewild.
正确答案:B
Whatcanweinferfromthelastparagraph?
[A]Monkeyscanbetr ainedtodevelopsocialemotions.
[B]Humanindignationevolvedfromanuncertainsource.
[C]Animalsusuallyshowtheirfeelingsopenlyashumansdo.
[D]Cooperationamongmonkeysremainsstable onlyinthewild.
正确答案:B