Gaokao Math Practice Question

3. (5 分) 设命题 $p: \exists n \in N, n^{2}>2^{n}$, 则 $p$ 为 $(\quad)$

1. A.$\forall n \in N, n^{2}>2^{n}$
2. B.$\exists n \in N, n^{2} \leqslant 2^{n}$
3. C.$\forall n \in N, n^{2} \leqslant 2^{n}$
4. D.$\exists n \in N, n^{2}=2^{n}$