A-A+ ______ is called the ackbone of England.A．T 2022-08-05 19:24:37 问答库 阅读 171 次 问题详情 ______ is called the "backbone of England".A．The RockiesB．The PenninesC．The AppalachiansD．The Grand Canyon请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：B
