![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
A.Does a dolphin prefer living with others or living by itself?B.Arc dolphins more int
A.Does a dolphin prefer living with others or living by itself?
B.Arc dolphins more intelligent than other animals?
C.How many years could dolphins usually live?
D.What is the major cause of the death of dolphins at sea?
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)