多项选择题

A. The members of LOW_GROUP would get more priority than those of OTHER_GROUPS.
B. The members of SYS_GROUP would get most of the CPU allocation at level 1.
C. The members of LOW_GROUP would get most of the CPU allocation because it has CPU allocation at two different levels.
D. The members of LOW_GROUP would get no CPU allocation at level1 if the members of OTHER_GROUPS are using all the CPU at level 2.
E. The members of SYS_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.