50 POINTS!!!!
ASAP
Wegener was intrigued when the same Mesosaurus fossils, an ancient freshwater reptile, showed up on different continents.
What hypothesis did he propose to explain this?


A: The continents were at one time joined together.


B: The Mesosaurus swam between the two continents.

C: The fossils were moved by humans.


D: The fossils must be of different species.