[单选题]
The binding energy of the hydro5g8c3i tl* hh gldty;,n(q 3jqgen/o)lxgsm3v 6t d-1x* fcia*ma atom in its ground state is -13.6 eV. What is the energy when it is in thgf */*c3x16 l ima-xstav omd)e n = 5 state?
A. $2.72 \; eV$
B. $-2.72 \; eV$
C. $0.544 \; eV$
D. $-0.544 \; eV$