film / a little boy / parents / die / raise / a gorilla / become / jungle man.

• A. 
  The film is about a little boy when his parents died was raised by a gorilla after then he became a jungle man.
• B. 
  The film is about a little boy, his parents died, was raised by a gorilla, so he became a jungle man.
• C. 
  The film is about a little boy, although parents died, was raised by a gorilla, because he became a jungle man.
• D. 
  The film is about a little boy, whose parents died, was raised by a gorilla, so then he became a jungle man.