Give the Missing Symbol to the Following Nuclear Reaction $\begin{array} { c } 0 \\+ 1\end{array}$

Give the missing symbol to the following nuclear reaction. 11
6 C ? 11
5 B + ?

A) 4
2 ?
B) $\begin{array} { c } 0 \\+ 1\end{array}$ ?
C) $\begin{array} { c } 0 \\+ 1\end{array}$ e
D) $0$
$- 1$ e
E) None of the choices are correct.