When Undergoes Beta Decay,the Daughter Is ${ } _ { 2 } ^ { 6 } \mathrm { He }$

When undergoes beta decay,the daughter is ${ } _ { 2 } ^ { 6 } \mathrm { He }$

A) ${ } _ { 1 } ^ { 6 } \mathrm { H }$
B) ${ } _ { 2 } ^ { 5 } \mathrm { He }$
C) ${ } _ { 3 } ^ { 6 } \mathrm { Li }$
D) none of these.