题干
—Did you get a ticket ____ Love Me Once More, Mom yesterday?
—No, I didn't. Now I still can't get one.
A：to
B：about
C：with
D：of
答案(点此获取答案解析）
A
，g（x）是二次函数，若fg（x）的值域是0，+∞），则g（x）的值域是（ ）