——Will your parents come to the meeting?——______. They're in travelling in Paris now.
A:They'd love to
B:I think so
C:I'm afraid so
D:I'm afraid not
谁对我负责?对这一回答正确的是( )
过点(5,3)且与直线2x﹣3y﹣7=0平行的直线方程是( )