Why Do Members of Food-Collecting Societies Not Have Private Ownership

Why do members of food-collecting societies not have private ownership of land?

A) Land has no intrinsic value to foragers; only the animals and plants on the land have value.
B) Land is too expensive to own, so most foragers are forced to rent land.
C) Private ownership has historically led to too much conflict, so they abandoned the practice.
D) Foragers do not usually have a measuring system to equitably distribute the land.