答案:CD
A. A、S_servingTHRESH_LTE_low
B. B、S_servingS_serving+H_PRIO
C. C、S_serving>THRESH_2G_low且S_non-serving_LTE>THRESH_LTE_low
D. D、S_serving>THRESH_2G_low且S_non-serving_LTES_serving+H_PRIO