Luckily, the poor boy had enough money _____ he could buy a train ticket.

A. by which               B. on which                C. with which               D. for which

Luckily, the poor boy had enough money _____ he could buy a train ticket.

1. A.
   by which
2. B.
   on which
3. C.
   with which
4. D.
   for which

Luckily, the poor boy had enough money _____ he could buy a train ticket.