题干
—Picasso, could you please spare me a few minutes? I have something of vital importance to tell you.
— ______，but I hope "a few minutes" won’t turn into a few hours.
— ______，but I hope "a few minutes" won’t turn into a few hours.
A：It doesn’t matter
B：That’s kind of you
C：I’m afraid not
D：I guess so
答案(点此获取答案解析）
A
的图像的对称轴是x=1，并且通过点A（－1，7），则a，b的值分别是（ ）
