You only had meat and fish yesterday．If you had eaten vegetables, they ________ easily．

1. A.
   would digest
2. B.
   digested
3. C.
   will digest
4. D.
   would have digested

 You only had meat and fish yesterday．If you had eaten vegetables, they         easily．

       A．would digest      B．digested             C．will digest         D．would have digested