Consider these two operations: $a\Psi b=a^{2}-b$ and $a \nu b=\sqrt{ab}$.  Which of these values are possible answers of $4 \nu (2 \Psi 3)^{2}$? 
选项为:A:$$2$$  B:$$4$$  C:$$8$$  D:$$12$$  E:$$25$$  请回答其中一个选项.