Dated to approximately 500,000-400,000 years ago, the site of _______ has yielded a sample of 4,000 fossil fragments representing about 28 premodern Homo sapiens individuals, more than 80% of all Middle Pleistocene hominin remains in the world.
a. ​Steinheim
b. ​Ehringsdorf
c. ​Sima de los Huesos
d. Petralona​
e. ​Swanscombe