________ people can live to be 150, but ________ can live to be 100．

1. A.
   Few, a few
2. B.
   A few, few
3. C.
   A little, a little
4. D.
   A little, little

______ people live to be 150, but ______ people can live to be 100.

　　[    ]

　　A. Few, a little   B. A few, a few

　　C. Few, a few　　  D. A little, little