During which section of the geologic time scale did the first modern human evolve?
ADuring the Paleogene period of the Cenozoic era
BDuring the Quaternary period of the Cenozoic era
CDuring the Cretaceous period of the Mesozoic era
DDuring Precambrian time
ADuring the Paleogene period of the Cenozoic era
BDuring the Quaternary period of the Cenozoic era
CDuring the Cretaceous period of the Mesozoic era
DDuring Precambrian time