Let \(C\) denote the set of all complex numbers.
Define \(A=\{(z, w) \mid z, w \in C\) and \(|z|=|w|\}, B=\left\{(z, w) \mid z, w \in C\right.\) and \(\left.z^{2}=w^{2}\right\}\). Then
(A) \(A=B\)
(B) \(A \subset B\)
(C) \(\mathrm{B} \subset \mathrm{A}\)
(D) \(\quad A \cap B=\varphi\)