问题详情

What did the researchers find in their study of female zebra finches？
A Female finches liked songs male finches sang for them.
B Female finches only liked songs male finches sang for their mates.
C Female finches liked to listen to songs from both speakers.
D Female finches chose the best male singers as their mates.请帮忙给出正确答案和分析，谢谢！