题干
—You needn't lake an umbrella. It isn't going to rain.
—Well, I don't know. It do.
A：might
B：need
C：would
D：should
答案(点此获取答案解析）
A
的部分图像如图所示，则
的图像可由函数
的图像（纵坐标不变）（ ）