已知代数式2y2-2y+6的值是8,那么y2-y+1的值是( )
A:1
B:2
C:3
D:4
下列语句中没有运用修辞手法的一项是( )
—Would you mind _______ the answer on the blackboard, sir? We can't follow you.
—OK, I'll do it now.