Hoàn chỉnh phản ứng sau: ${}_0^1n + {}_{92}^{235}U \to {}_{39}^{94}Y + {}_?^{140}I + x \left( {{}_0^1n} \right)$
A.$_0^1{\text{n}} + _{92}^{235}{\text{U}} \to {\text{ }}_{39}^{94}{\text{Y}} + {\text{ }}_{53}^{140}{\text{I}} + 2({}_0^1{\text{n}})$  
B.$_0^1{\text{n}} + _{92}^{235}{\text{U}} \to {\text{ }}_{39}^{94}{\text{Y}} + {\text{ }}_{52}^{140}{\text{I}} + 2({}_0^1{\text{n}})$
C.$_0^1{\text{n}} + _{92}^{235}{\text{U}} \to {\text{ }}_{39}^{94}{\text{Y}} + {\text{ }}_{53}^{140}{\text{I}} + 3({}_0^1{\text{n}})$  
D.$_0^1{\text{n}} + _{92}^{235}{\text{U}} \to {\text{ }}_{39}^{94}{\text{Y}} + {\text{ }}_{52}^{140}{\text{I}} + 3({}_0^1{\text{n}})$

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