Question: Two fossils of the same species were found on two different continents. The continents are separated by the Atlantic Ocean. Scientists dated the fossils to be 2 million years old. Which is the least likely explanation for these findings?

  Options: 
 A. A great land bridge once connected the continents.
 B. The remains were carried by ocean currents.
 C. A single landmass once existed with both continents.
 D. The animals swam across the ocean.
Answer: B