Since you provide no options,The climate that you would least likely to find in middle east/southwest asia is : Cool and wet
Most of the regions in middle east/ southwest Asia tend to be hot and dry. It's surrounded by desert with little rainfall
hope this helps
I believe the answer is A
They would need food and water so if they settled by a river or coastline they would have access to both food and water plus they could irrigate their crops from the water source
I hope this helps in some way