Choose the option with the correct punctuation for the given sentence.
i have been working for the past 12 hours mohan complained
1
"I have been working for the past 12 hours," Mohan complained.
2
"i have been working for the past 12 hours mohan complained"
3
"i have been working for the past, 12 hours mohan complained"
4
i have been working for the past 12 hours mohan complained.