Answer :
The answer is most likely C, because:
The Olympics were not the most important part of Early History, the Greeks did have many historians, and the Greeks, while they have been recorded in Egyptian history, the Egyptians did not record their entire history. Therefore, the answer is C.
The Olympics were not the most important part of Early History, the Greeks did have many historians, and the Greeks, while they have been recorded in Egyptian history, the Egyptians did not record their entire history. Therefore, the answer is C.