A \( a_{21}+b_{22}+c_{23} \)
B \( a_{11}+a_{21}+a_{31} \)
C \( a_{31}+b_{22}+c_{13} \)
D \( \mathrm{a}_{31}+\mathrm{b}_{32}+\mathrm{c}_{33} \)
E \( a_{11}+b_{22}+c_{33} \)
Correct Answer: Option E
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