Given what we know, we can confirm that humans do depend on photosynthesis to survive.
The reasons behind this are described in option A, which states "Yes, all of the food consumed by humans is plants or gets energy from plants, and plants produce their own food through photosynthesis.", which is correct in that photosynthesis is essential to maintain the producer level of the food webs and keep a steady supply of food for humans.
Therefore, given that humans will either eat plants or plant-dependent animals, we can confirm that humans do in fact depend on photosynthesis to survive, option A is correct.
To learn more about Photosynthesis visit:
https://brainly.com/question/1388366?referrer=searchResults