The answer id C I hope this help you
The answer is: D. Special
Special election refers to a form of election that conducted before the working period of those who held the previous position officially ended. This tend to happen when the previous holder of the position is unable to resume the duty due to death/illness. Or if the previous position holder is forcefully removed for misbehavior.
Mesosaurus was significant in providing evidence for the theory of continental drift, because its remains were found in southern Africa and eastern South America, two widely separated regions. As Mesosaurus was a coastal animal, and therefore could not have crossed the Atlantic Ocean, this distribution indicated that the two continents used to be joined together.