Why don't you put the meat in the fridge? It will  ____fresh for several days.      [ ]

A. be stayed      

B. stay      

C. be staying      

D. have stayed

我们青少年消除与父母代沟的最好办法是

A．冷淡处理

B．加强沟通

C．各行其是

D．坚决抗争