单项选择题

A.The dspload screen is for all trunks； the dsptrkutl s……

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 information

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