C is the complex sentence because it contains the word while and an independent and dependent clause! :)
The event took place in the past continuously but concluded prior to another past event.
The good of society outweighs the rights of the individual.
Answer:I can’t remember if my uncle or my cousin enjoys traveling, Neither my brother nor my father is good at reading maps, Our family and many others travel to cities across the United States, my father or my mother spends time planning our trips to see natural wonders.
Explanation: