Only after she had arrived home _______ her appointment with the doctor.
A：had she remembered
B：that she remembered
C：when she remembered
D：did she remember
下列图形:①角②两相交直线③圆④正方形，其中轴对称图形有（ ）
He's never rude. I think he's one of the most _______ boys in his class.
直线y=2x+2沿y轴向下平移6个单位后与y轴的交点坐标是（ ）
