If \( z^{3}+(3+2 i) z+(-1+i a)=0 \), where \( i=\sqrt{-1} \), has o...

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If \( z^{3}+(3+2 i) z+(-1+i a)=0 \), where \( i=\sqrt{-1} \), has one real root, the value of \( a \) lies in the interval \( (a \in R) \)
\( \mathrm{P} \)
(a) \( (-2,1) \)
(b) \( (-1,0) \)
(c) \( (0,1) \)
(d) \( (-2,3) \)
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