1.  You need not come unless you want to.
A. You don't need to come unless you want to
B. You come only when you want to
C. You come unless you don't want to
D. You needn't come until you don't want to
E. No correction required

Answer: Option A

Explanation:

Here there are two connectives so we know that in one sentence double connectives are not required. i.e. we have to remove one connective but the meaning should be same.