—Would you like some milk?
—_________.
A:Yes, please
B:The same to you
C:Help yourself
D:My pleasure
小兰清明节到云南大理旅游,看到了大理崇圣寺三塔(见图)。唐朝时在云南大理建立政权的少数民族是( )
已知x=-2y=3是方程x﹣ky=1的解,那么k=____