— Would you like to go out for a walk with us?
— ___________.
A：You may ask your sister to do, too.
B：Yes, but I can't afford the time.
C：No, I'd like to.
D：No, I don't feel in the mood for it now
已知X、Y、Z三种金属，它们之间存在下列反应①X+H2SO4═XSO4+H2↑ ②Z+YSO4═ZSO4+Y ③Y、Z与H2SO4 不发生反应．请你选择它们的活动性顺序表示正确的是（ ）
下列估测与实际情况相符的是（ ）
