The Remains of a Partially Blind Amputee Discovered in Shanidar

The remains of a partially blind amputee discovered in Shanidar Cave in Iraq,and the remains of a man crippled by arthritis at La Chapelle,suggest that Neandertals:

A) had more accidents than modern peoples.
B) were genetically inferior.
C) were the discarded wanderers of more developed peoples.
D) were productive enough to support handicapped individuals.
E) ate foods that were too rich for them.