Beijing is cold this time _________. You need _______ warm clothes if you go there.

1. A.
   of the year, to pack
2. B.
   of year, packing
3. C.
   of year, pack
4. D.
   of year, to pack

Beijing is cold this time _________. You need _______ warm clothes if you go there.

          A. of the year, to pack          B. of year, packing

          C. of year, pack               D. of year, to pack