[单选题]
In the Compton effect, as the scatteringk*bb;), u4i4 lboqeta angle increases, the frequency of8)9wampq vsn9l cn2k3,oxi g( the X-raysis (vp2l9 c3km 9aqx8o,gw)nn scattered at that angle
A. increases.
B. decreases.
C. does not change.
D. varies randomly.