Which of the phrases given below the sentence should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
It was unanimously resolved that the parties should unitedly undertook launching of popular programmes.
should be united undertook
should be unitedly undertaken
should be unitedly undertake
should unitedly undertake
No correction required
Correct answer is D
No explanation has been provided for this answer.