—Which of these two dictionaries will you buy？

   —I'll buy _____ ,for the different uses.  

A. both  B. neither  C. either  D. all

---Which of these two dictionaries will you buy？

---I'll buy ______ ,for the different uses.

1. A.
   both
2. B.
   neither
3. C.
   either
4. D.
   all