单项选择题
The elephant is the largest four-legged animal in the world.It is also，perhaps the gentlest，but not always!
Elephants are similar to human beings in some ways.They live for a long time—fifty or sixty years.They are emotional，too.They never forget great sadness or great happiness.When a female elephant dies，her daughters and her granddaughters are sad for several months.They stay with the dead body and then carry a bit of it away with them.They never forget a dear friend.
Elephants are like us，but they are also different.They also live in families，but only in families of females.There will be a few young males—a few ’baby boys’.But the females will soon send them away.An elephant family keeps only its daughters，mothers and grandmothers，and its great-grand mothers.
The females stay together for fifty，sixty...a hundred years.The older animals look after the young ones.The mothers teach their daughters and set a good example.
And what happens to male elephants？Well，the young males stay with their mothers for a period of time.Then they must leave the family when they’ve grown up.The females just send them away.A bull elephant does not often have a friend.He lives apart，away from the family，and often away from other bulls.
Sometimes the females call on a bull.He can visit them then，and stay for some time.But soon his ’wives’and sisters send him away again.The females have a very happy family life.What do the bulls think about it？We don’t know.
A．The elephant is the largest animal in the world.
B．Male elephants all live independently.
C．Baby elephants are looked after by their female families.
D．An elephant family has mothers, grand-mothers and fathers.