Read the excerpt from "Dorothea Lange.” When she graduated high school in 1912, she told her mother she wanted to be a photographer, and soon after, she began training with Arnold Genthe, a photographer famous for his portraits. Based on Lange’s actions in this excerpt, it is reasonable to infer that she was driven to become well known. indifferent about her future. unwilling to listen to her parents. determined to reach her goals.