问题：

[单选] What is the main difference between the information displayed on the dspload and the dsptrkutl screens？（）

A . The dspload screen is for all trunks； the dsptrkutl screen is for one trunk
B . The dspload screen shows the expected traffic； the dsptrkutl screen shows actual traffice
C . The information on the dspload screen never changes； the dsptrkutl screen is dynamic
D . The dspload screen shows historical information； the dsptrkutl screen shows current informatio