South of the Hudson River, Appalachian Mountains are divided into three main sections, among which the Blue Ridge has most of the highest peaks of the mountain system.
答案是(B)the Appalachian Mountains但是為什麼那個South的前面不用加the?方位的前面要加the(賴水信p.34)?麻煩知道的人可以回答嗎?謝謝
