Select the correct passive form of the given sentence.
The Punchhi Commission has discussed the matter of Center-State relations for several days.
1
The matter of Center-State relations has been discussed by the Punchhi Commission for several days.
2
The matter of Center-State relations was discussed by the Punchhi Commission for several days.
3
The matter of Center-State relations has discussed by the Punchhi Commission for several days.
4
The matter of Center-State relations is being discussed by the Punchhi Commission for several days.