A nucleus of a nitrogen isotope (N) captures a neutron. It then undergoes decay to form a carbon isotope (C) and releases $x$. $^1_0\text{n} + ^{14}_7\text{N} \rightarrow ^{14}_6\text{C} + x$. What is $x$?
- A$^4_2\alpha$-particle
- B$^0_{-1}\beta$-particle
- C$\gamma$-radiation
- Dproton