The Lesion Studies in Rats and Primates Both Suggest That

The lesion studies in rats and primates both suggest that what might true in the human brain of patient H.M.?

A) part of H.M's memory pathology was likely due to damage to the entorhinal and perirhinal cortices
B) all of H.M's memory pathology was likely due to damage to the hippocampus
C) all of H.M's memory pathology was likely due to damage to the amygdala
D) all of H.M's memory pathology was likely due to damage to the brainstem