Speaker A: Excuse me, can you tell me where the Prince’s Building is
Speaker B: ().

A. The Prince’s Building Why do you want to go there

B. Sure, if you like, I can show you how to get there.

C. Well, turn to the left at the first corner after the crossroads. It’s there near the corner.

D. Strange! What’s going on there Three people have asked me how to get there.

春秋、战国两个时期变法的主要不同是                              (    )

A．是否有利于富国强兵

B．是否任用有识之士进行改革

C．是否触及上层建筑

D．是否加速井田制瓦解