Which of the Following Observations Would Not Support the Hypothesis

Which of the following observations would not support the hypothesis that H.floresiensis used symbolic spoken language?

A) finding that several H.floresiensis individuals cooperated in ambushing and killing large prey
B) finding that a large ancestral population of H.floresiensis traveled to Flores by boat
C) finding that H.floresiensis manufactured stone tools for specialized purposes
D) finding the hyoid bone of H.floresiensis similar in morphology to that of modern H.sapiens
E) finding that the brain regions responsible for speech were enlarged in H.floresiensis