题干
The Greens _________ in Paris, but now they _________ in China. They all like China.
A：used to live; are used to living
B：are used to living; used to live
C：used to live; used to live
D：used living; used to living
答案(点此获取答案解析）
A
上的函数
是偶函数，且
，若
是减函数，则函数