A. priest and Levites. I'm not quite sure being that I am not associated with the bible very well at all. I do hope this helps.
I believe it would be D. because when you think of horizontally anything, it goes both ways . so when helping a coworker with a task when you're done with your task shows that you did your work AND you are going to go help with get another persons task done as well.
It is c how could it not be
