[单选题]
For a diatomic quantr )7p ymg8px1vum 1 zc wtl44etw0 eg *8pr.t33 isqyd)ohmechanical rotator, the energy difference between adjacent energy ltlq3 g*tcy4e r.de3p0z o8)1 hsit ww4evels
A. increases as L increases.
B. decreases as L increases.
C. is constant for all L.
D. varies randomly as L increases.