[单选题]
The binding energy of the hydrogen s.8+bj25anokpqh; fk atom in its ground state is -13.* vo2kuj4 e 9nb b6-n0u)sivcb6 eV. What is the energy when it is in thekn be *)ob40i96uu2cb njs- vv n = 5 state?
A. $2.72 \; eV$
B. $-2.72 \; eV$
C. $0.544 \; eV$
D. $-0.544 \; eV$