The binding energy per nucleon of 73Li and 42He nuclei are 5.60 MeV and 7.06 Me V, respectively. In the nuclear reaction 73Li + 11He ⟶ 42H + 42He + Q the value of energy Q released is
A. -2.4 MeV
B. 8.4 MeV
C. 17.3 MeV
D. 19.6 MeV