According to the passage, how does the Canadian government deal with the suspected war cri

According to the passage, how does the Canadian government deal with the suspected war criminals？

A．To arrest and bring them to justice under Canadian law.

B．To arrest and send them back to their countries of origin.

C．To do nothing except exposing their information to the public.

D．To further investigate their identities and then arrest them.

请帮忙给出正确答案和分析，谢谢！