D,多个并列的主语最后用and连接,谓语用跟and后面的主语保持一致,and后面是child,是单数形式,所以谓语要用单三形式的is,希望你能满意我的回答。
In the princess' mind, every man,woman and child on this earth___is_____enoying the basic right of peace, dignity and freedom