Fossil evidence and other observations have enabled scientists to recognize several trends in hominid evolution. which of the following correctly states the order of development of hominid characteristic and traits?

a-first the ability to make and use tools, then to walk upright on two legs.

b-a larger brain developed into a smaller brain.

c-first language developed then the ability to make and use tools.

d-first the ability to walk upright on two legs, then ability to use and make tools.