-where are you going?-we are going to ------ 请问选择哪个,并分析每个答案错

-where are you going?-we are going to ______ 请问选择哪个,并分析每个答案错因.
A Beijing Road
B the Beijing Road
C beijing road
D the beijing road
选B？我也感觉是选B
可是我纠结的是：定冠词有个用法，就是在专属名词前（比如这个Beijing Road)是不加the的。是我哪里理解错了麽？