问题详情

According to the passage, the Han Dynasty was able to come into power because______.
A．enemies were not effectively prevented from invading the empire
B．it had started the work on the wall and really controlled it all along
C．People rebelled against the emperor who forced them to work on the Great Wall
D．the Qin emperor lost all his personal wealth building the Great Wall请帮忙给出正确答案和分析，谢谢！