Go______ the street, walk _______the post office,and_______ the street, and you will see the book shop in front of you.

A．along; pass; cross

B．along; past; across

C．along; past; go across

D．on; past; go cross

魏晋南北朝时期行政执行的最高机关是( )

A．尚书省
B．御史台
C．中书省
D．门下省