[单选题]
A diatomic molecule (pk n;x9 fh)fe2 ddv95 g7z,n hbe2s9hni.yi whas $2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?
A. $3.4 \times 10^{-6} \; eV$
B. $5.3 \times 10^{-6} \; eV$
C. $7.8 \times 10^{-6} \; eV$
D. $8.7 \times 10^{-6} \; eV$
