Respuesta :
"During the Quaternary period of the Cenozoic era" is the section of the geologic time scale among the choices given in the question that the first modern human evolved. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you.
Letter A is correct (Devonian)
Expalation: The periods Palogene, Neongene, Quanternary are all in the Cenozic era, witch leaves Devonian to be our awnser.