问题详情

The sperm whale"s visual centers of their brains are smaller proportionally than those in humans, this can explain why ______ .
A．their eyesight is better than hearing
B．whale brains generally show as much or more folding area as is seen in humans
C．complex behavior. may reveal more about whale intelligence than brain size
D．this folding increases the surface area and has been observed in more intelligent animals请帮忙给出正确答案和分析，谢谢！