Which of the following is CORRECT？A．The climate in the south and north is very terrible.B．

Which of the following is CORRECT？

A．The climate in the south and north is very terrible.

B．Southern Americans suffer a lot when it is very hot.

C．Many lakes and rivers make the transportation chaotic.

D．Transportation by water is less important than before.

请帮忙给出正确答案和分析，谢谢！