It's C. pentagon papers your welcome click the thanks button.
True i did this same test and it is true if you want check it out in my profile that way you can be sure but i'm telling you and i'm 100% it's true i took the quiz!!!
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Answer:
C. Humans have been on Earth for a very short amount of time
Explanation:
using process of elimination, insects were around before dinosaurs were so that takes away B and C, then humans have been on earth for around 200,000 years which definitely isn't hundred of millions so it's most likely C
