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.
You need not come unless you want to.
You don't need to come unless you want to
You come only when you want to
You come unless you don't want to
You needn't come until you don't want to
No correction required
Correct answer is A
No explanation has been provided for this answer.