Which of the Following Distinguished Early Hominin Species Such as Homo

Which of the following distinguished early hominin species such as Homo erectus from their predecessors?

A) Unlike its predecessors, Homo erectus could function on a much smaller supply of food.
B) Homo erectus had a body more capable of navigating dense forests and thick foliage.
C) Homo erectus mothers gave birth to fully mature offspring, which freed up more time for hunting and gathering.
D) Homo erectus had a significantly larger brain than its predecessors, which enabled it to form small communities and create rudimentary tools from stone.