Ernst Haeckel, the Famous German Anatomist of the Nineteenth Century

Ernst Haeckel, the famous German anatomist of the nineteenth century, argued that the orangutan is anatomically more similar to humans than are any of the nonhuman African apes.This led to

A) changing the species name for humans, temporarily, from Homo sapiens to Pithecanthropus sapiens.
B) the search for early human remains in the East African Rift Valley.
C) Charles Darwin's inspiration to change his theory of human origins.
D) Eugene Dubois's inspiration to search for the earliest human ancestors in Asia.