If \( p x^{4}+q x^{3}+r x^{2}+s x+t=\left|\begin{array}{ccc}x^{2}+3 x & x-1 & x+3 \\ x+1 & 2-x &....
If \( p x^{4}+q x^{3}+r x^{2}+s x+t=\left|\begin{array}{ccc}x^{2}+3 x & x-1 & x+3 \\ x+1 & 2-x & x-3 \\ x-3 & x+4 & 3 x\end{array}\right| \)
\( \mathrm{P} \)
then \( \mathrm{t}= \)
(A) 33
(B) 0
(C) 21
(D) none
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0