Which sentence below is correctly punctuated?
After the party which was held at the office, we cleaned up confetti for two weeks. After the party, which was held at the office, we cleaned up confetti for two weeks. After the party which was held at the office we cleaned up confetti for two weeks. After the party, which was held at the office we cleaned up confetti for two weeks.

Respuesta :

After the party, which was held at the office, we cleaned up confetti for two weeks.
The answer "After the party, which was held at the office, we cleaned up confetti for two weeks." is correctly punctuated because of the placement of the commas and the period at the end.