he new highway took most of the traffic from the old road and        Mr.Hanson’s motel business. [ ]   

A.came to an end

B.brought to an end

C.put an end to

D.drew an end to

关于酸性、碱性染料的叙述，正确的是()

A．以溶液中氢离子浓度为分类依据

B．以发色基团性质为依据

C．亚甲蓝中起染色作用的是天青

D．酸性染料带负电荷

E．碱性染料带正电荷