The countries that are being blamed for the extra greenhouse gases in the atmosphere are the rich and developed countries. On a different________, the developing countries feel they will suffer the most of it.

A．nod

B．note

C．norm

D．notion

--Do you have a ping-pang bat?      

--        [ ]

A Yes, I don’t.  

B No, I do.

C Yes, I do        

D No, I doesn’t.