The binding energy per nucleon of deuteron $(_1^2H)$ and helium nucleus $(_2^4 He)$ is $1.1\; MeV$ and $7\; MeV$ respectively. If two deuteron nuclei react to form a single helium nucleus, then the energy released is

Question

( A ) 26.9 MeV
( B ) 13.9 MeV
( C ) 19.2 MeV
( D ) 23.6 MeV