--Which do you prefer, a CD player or a walkman?

-- ________. I prefer the new kind of MP4.

1. A.
   Both
2. B.
   None
3. C.
   Neither
4. D.
   Either

-Which do you prefer, a CD player or a walkman?
-______. I prefer a portable computer

1. A.
   Both
2. B.
   Either
3. C.
   None
4. D.
   Neither

----Which do you prefer, a CD player or a Walkman?

----          . I prefer the new kind of MP4.

A. Both           B. None                 C. Neither           D. Either