Choose the date that scientists think the universe began! (The other three dates are the appearance of humans, the origin of life, and the creation of the earth. Don't pick A.4.6 billion years ago
D, the universe began 13.8 billion years ago (I assume this test may be a little outdated since the updated version is 13.8 billion years ago, but D is the closest to the answer, so I would go with D).
