Which of the Following Symbols Represents a Positron?
A) $\beta ^ { - }$

Which of the following symbols represents a positron?

A) $\beta ^ { - }$
B) $\mathrm { He } ^ { 2 + }$
C) ${ }_{+1}^{0} \mathbf{e}$
D) ${ } _ { 0 } ^ { 0 } \gamma$
E) ${ } _ { 0 } ^ { 1 } \mathbf { n }$