The setting of "The Law of Life" was the vast extent of the unknown and unexplored land in

The setting of "The Law of Life" was the vast extent of the unknown and unexplored land in the Arctic Region (北极圈), where natural environment was harsh and existence was a constant survival struggle. A. 正确 B. 错误

A. 正确 ✅

解释：
《生命的法则》（"The Law of Life"）的背景确实设定在北极圈的荒原地区，自然环境极为严酷，人类和动物都在与自然的残酷条件进行生存斗争。这与选项 A 的描述一致。