选出恰当的应答语。
A.There was no computer room.
B.I looked it up on the Internet.
C.I went to Mountain Tai.
D.He tripped and fell in the race.
E.I went there by plane.
( 1 )____( 2 )____( 3 )____
( 4 )____( 5 )____
汉武帝时设置盐铁官专职管理盐、铁生产销售征税事宜。宋行引法,商人向政府购引(即取得贩运销售盐专利的凭证)后,即可凭引支盐运往指定区域,独占区内食盐销售。清政府采取“引岸制”的食盐运销体制.赋予一些商人食盐营销的垄断权,国家只对盐商进行管理和征税。对这一变化认识正确的是( )