Choose the correct punctuated sentence: Aftab’s colleagues were uncooperative, so his father went round to have a word., Aftab’s colleagues were uncooperative; so his father went round to have a word., Aftab’s colleagues were uncooperative: so his father went round to have a word., None of these.
Choose the correct punctuated sentence: Aftab’s colleagues were uncooperative, so his father went round to have a word., Aftab’s colleagues were uncooperative; so his father went round to have a word., Aftab’s colleagues were uncooperative: so his father went round to have a word., None of these.
Explanation
Aftab’s colleagues were uncooperative, so his father went round to have a word.
The comma before "so" correctly separates the two independent clauses.