After he gave a report about the school,Mr.White____ the visitors around it.
问题描述：
After he gave a report about the school,Mr.White____ the visitors around it.
A.went on to show B.went on showing C.went on with showing D.kept on showing
选A我要问为什么不选D,不会的别在这乱说!
答
go on doing sth 是继续做（同一件事）
go on to do sth 是继续做（另外一件事）