[单选题]
For a diatomic quant lv8,tupz 84vtr2kcil: uy26cg.ir 0 /nbd5zjum mechanical vibrator, the energy difference between adjacent quantum stagiuzdinb rr:c6cljy52/k.02 tes
A. increases as v increases.
B. decreases as v increases.
C. is constant for all values of v.
D. varies randomly as v increases.