Complete the Following Nuclear Equation $\begin{array} { c } 210\\83\end{array}$ Bi

Multiple Choice

Complete the following nuclear equation: $\begin{array} { c } 210\\83\end{array}$ Bi ? $\begin{array} { c } 206\\81\end{array}$ Tl + ??

A) $\begin{array} { c } 0 \\- 1\end{array}$ e
B) $\begin{array} { c } 4\\2\end{array}$ He
C) gamma ray
D) both A and B
E) none of the above