The best explanation of the image is that D) The dinosaurs lived and died at a time where all the continents were together as one supercontinent called Pangaea.
When Pangea split up into the continents that we know today, dinosaur fossils went with them. This led to fossils appearing in various continents that were apart because they were once together.
In conclusion, option D is correct.
Find out more on Pangea at https://brainly.com/question/11694556.