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