问题
After the fall of the Qing Empire, some towns near the west part of the Great Wall ________ and the Wall itself _______.
A:were abandoned … fell into ruin;
B:abandoned … had fallen into ruin
C:were abandoned … was fallen into ruin;
D:abandoned … fall into ruin;
B:abandoned … had fallen into ruin
C:were abandoned … was fallen into ruin;
D:abandoned … fall into ruin;
正确答案是：
