The medical team left the village with great satisfaction，________a lot of local villagers.

A. treating 　　　　　　　　　　　　 B. having treated

C. to treat 　　　　　　　　　　　　 D. treated

The medical team left the village with great satisfaction，      a lot of local villagers．

      A．treating                B．to treat                 C．treated                   D．having treated