____among so many homeless villagers,he felt so sad.A.To walk B.Walking .C.Walked D.Having walked 为什么?新年快乐!

问题描述:

____among so many homeless villagers,he felt so sad.A.To walk B.Walking .C.Walked D.Having walked 为什么?新年快乐!

选择B.
做伴随情态状语.