Which of the Following Nuclides Has the Highest Nuclear Binding ${ } _ { 2 } ^ { 4 } \mathrm { He }$

Which of the following nuclides has the highest nuclear binding energy per nucleon?

A) ${ } _ { 2 } ^ { 4 } \mathrm { He }$
B) ${ } _ { 24 } ^ { 52 } \mathrm { Cr }$
C) ${ } _ { 18 } ^ { 40 } \mathrm { Ar }$
D) ${}^{ 16 }_{ 8 } \mathrm { O }$
E) ${ } _ { 92 } ^ { 235 } \mathrm { U }$