一I’we heard that another brand of milk powder has been banned .

－It’s a shame that some companies lack the sense of social responsibility and       ．

A．consequence

B．construction

C．consideration

D．conscience

若一次函数y=kx+b，当﹣2≤x≤6时，函数值的范围为﹣11≤y≤9，则此一次函数的解析式为（    ）。