你认为澶渊之盟的积极影响应该是[ ]

A、有利于统一的多民族国家的巩固

B、使辽兵安然脱险，还得到了“岁币”

C、维持了宋辽长期的和平关系，有利于双方的经济文化交流

D、转了北宋初年与辽国斗争的不利局面

This old lady ______ alone because her husband died ten years ago. [ ]

A. gets used to live

B. used to live

C. used to living

D. is used to living