[单选题]
10.46: For the following nuclear reaction, what is tcny1p f x93bjtw- 23tsa3skx 0nb/z h9he unknown labelzijla ul -)8dpsu3: l5ed by X?
$_{11}^{22}Na + X → $_{10}{22}Ne$ +$v_e$
A. A proton
B. An electron
C. A neutron
D. An alpha particle
E. A positron
