问题详情

The passage supplies information for answering which of the following questions？
A．How do the remaining Ganges River dolphins still exist？
B．What is the primary use of the new underwater acoustic technology？
C．Why do Ganges River dolphins make their homes in rivers and lakes？
D．How does the underwater acoustic technology work？
E．Can the new underwater acoustic technology be used in identifying and tracking other species of dolphins？请帮忙给出正确答案和分析，谢谢！