[单选题]
For a diatomic quantum mechanical rrwr6bwh z;c2-zu 2zqjg*+gy 3 otator, the energy diffpse7.qaz) pm9we-+dserence between adjacent en+zep q.dsm 7s)9 ap-weergy levels
A. increases as L increases.
B. decreases as L increases.
C. is constant for all L.
D. varies randomly as L increases.
