Which of the following is an assumption on which the argument depends?
(A) Before their migration, Homo erectus occupied African territory as far south as Tanzania.
(B) The strain of migration provided the selective pressure motivating Homo erectus' mastery of fire.
(C) Homo ergaster would not have derived as much benefit from the mastery of fire as did Homo erectus.
(D) Homo ergaster inherited all cultural knowledge from Homo habilis, a species that did not have mastery of fire.
(E) Homo ergaster did not occupy regions as far south as Tanzania until well after the time of these three sites.
[spoiler]OA: (A)[/spoiler]
For more practice questions, as well as a full discussion of this particular question, see this blog.
https://magoosh.com/gmat/2013/more-gmat- ... questions/
Mike
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