问题详情

Why is the plan called "carrot-and-stick" approach？
A．Because it is very hard to take effect just like a carrot.
B．Because it is too strict to student athletes just like a stick.
C．Because it grants rewards and gives penalties together.
D．Because it gives up a lot and sticks to some basic rules.请帮忙给出正确答案和分析，谢谢！