——Tom seems to have discovered all about the event.——______________.A.So he did B.So do he C.So he has D.So has he

——Tom seems to have discovered all about the event.——______________.A.So he did B.So do he C.So he has D.So has he
——Tom seems to have discovered all about the event.——______________.
A.So he did B.So do he C.So he has D.So has he

——Tom seems to have discovered all about the event.——______________.A.So he did B.So do he C.So he has D.So has he
A 答案
这个句子类似于区别
so it is 和 so is it 这两句话
so it is 表示事实确实如此,so is it 表示同样的意思
例如 he is a student,so am I.他是学生,我也是
所以用 so it is 格式这里,so he did,
汤姆好像已经发现整个事件的内容了,确实是这样