Select the letter of the correct answer. What is this Article mainly about? Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selectedAResearchers have learned about how early humans lived from the San Bushmen, who are also hunter-gatherers. BEven though the language of the San Bushmen has changed over time, it still contains clicking sounds. CThe San Bushmen make weapons and tools from bones and sticks so they can hunt and gather food. DThe San Bushmen do not grow food, so they must move around to find animals and food sources.