Which of the following is NOT mentioned as the responsibilities of IWC？A．To regulate whale

Which of the following is NOT mentioned as the responsibilities of IWC？

A．To regulate whales hunting.

B．To make whales adapt to climate change.

C．To grant whaling permits.

D．To renew annual quota of whales.

请帮忙给出正确答案和分析，谢谢！