You are presented with the quiz "Since when have mushrooms been eaten?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "humans have collected and grown mushrooms for food for thousands of years" and "humanity's use of mushrooms extends back to Paleolithic times". So, what's the best answer to the question?
Pick your answer from:
a). Medieval times
b). To keep their body heat.
c). Paleolithic times
d). it keeps an organism warm
e). the body's largest organ
f). The Great Depression
g). important habitats
h). Modern times
Answer:
c).