how can i get record value raw text?

let
source = Json.Document(File.Contents("text.json")),
tabled = Table.FromRecords({source})
in
tabled

so this query shows

a.            b.          c.   

value.     List.        Record

i want show :

a.           b           c.    

value.    [a,b,c].    [{a : 4, b : 5, c :6}, [a : 5, b : 7, c :7}]

i can List show, but i cant show Record like this.

what can i do? 

before json to table, extract object raw string first? 

i cant find function. help !!