---_____ do you live from the park?
---About 5 minutes’ walk.
A:How long
B:How far
C:How many
下列运算正确的是( )
亲历隋末的社会大动荡,亲睹隋朝的覆亡。他即位后,吸取隋亡教训,励精图治,他是( )