—________.My books are on the sofa.
A:Yes, it is
B:Yes, they are
C:No, it isn't
D:No, they aren't
椭圆x2a2+y2b2=1(a>b>0)的离心率是32,则双曲线y2a2-x2b2=1的渐近线方程是( )
“100分9角”,比较大小,在里应填的符号是( )