[单选题]
In the Compton effect, as the sn+(g lk.m*pd ;k gx b31fq:dgnem5. 0p 8:kqjb+ozgegcattering angle increases, the frequency of the X-rays scattered atj q08:kozggebm p e+5. that angle
A. increases.
B. decreases.
C. does not change.
D. varies randomly.