Complex sentence: One particular section that received considerable criticism is the hive level, in which Duke encounters abducted women who have been forcibly impregnated with aliens, having to kill them before the alien's birth does so.
Split into simpler sentences: One particular section that received considerable criticism is the hive level, in which Duke encounters abducted women who have been forcibly impregnated with aliens. Duke has to kill them before the alien's birth does so.