By listening to the sounds fishes make, man can learn all the following except ______.

A
答案为 A。根据第二段第二句， By listening to them， he can learn a great deal about the habits of creatures that make them， the size of the school they form， the patterns of their migrations， and the nature of the environments in which they live 作出该项选择。只有选项 A没有提到。