An Oxygen-15 Nucleus ${ } _ { 8 } ^ { 15 } \mathrm { O }$

An oxygen-15 nucleus, ${ } _ { 8 } ^ { 15 } \mathrm { O }$ , decays to another atomic nucleus by emitting a $\beta ^ { + }$ ray. What is the other atomic nucleus?

A) ${ } _ { 8 } ^ { 16 } \mathrm {~F}$
B) ${ } _ { 6 } ^ { 15 } \mathrm { C }$
C) ${ } _ { 8 } ^ { 14 } \mathrm { C }$
D) ${ } _ { 7 } ^ { 17 } \mathrm {~N}$
E) ${ } _ { 7 } ^ { 15 } \mathrm {~N}$