[单选题]
The distance between adjacentbikwux /3 a9i+g1bo 0w orbit radii hu (c.r*xw8rscg68 6p8h y tmcsn,a8yin a hydrogen atom
A. increases with increasing values of n.
B. decreases with increasing values of n.
C. remains constant for all values of n.
D. varies randomly with increasing values of n.