Two sets AA and BB are defined as follows:-
$$AA = \left\{x \mid x \in N, x < 5\right\}$$
$$BB=\left\{x \mid x \in N, x^2<25\right\}$$, n(XX) = number of elements in XX. Choose the CORRECT option.

A

n(AA) > n(BB)

B

n(AA) < n(BB)

C

AA = BB

D

n(AA) $$\leq$$ n(BB)