According to erikson the psychosocial stage of development that occurs during early childhood (between ages 3 and 5) is called

Initiative versus guilt is the third stage of Erik Erikson’s theory of psychosocial development. This stage occurs during the preschool years, between the ages of 3 and 5. During the initiative versus guilt stage, children begin to assert their power and control over the world through directing play and other social interaction.1

Answer d would be the best answer, for he wants to have part in biotechnology. an ekg technician is quite similar.