You . . . . . . . . not stay here.

A. need

B. can

C. will

D. would

Answer: Option A

Solution(By Examveda Team)

'need not' in one sense used to show that something is not necessary, indicating non-obligation or non-inevitability. In another sense used to indicate that something should not be done because it is futile. In the question it is used to show that staying is not necessary.