原來昨天下午，John 已把消防報告寄給CAROL了，因為我在外回到工

原來昨天下午，John 已把消防報告寄給CAROL了，因為我在外回到工廠才知悉。

Results (English) 1:

Yesterday afternoon, John has sent CAROL a fire report, aware of only because I go back to the factory.

Results (English) 2:

The original Yesterday afternoon, John Yiba fire report sent CAROL, because I was aware of the outside back to the factory.

Results (English) 3:

It turned out yesterday afternoon, John has been sent to the fire report CAROL, because I was back to the factory to know.