[简答题]When he was twenty-three years old Paul sent in a landscape to the winter exhibition at Nottingham Castle. Miss Jordan had taken good deal of interest in him, had invited him to her house, where he met other artists. He was beginning to grow ambitious.One morning the postman came just as he was washing in the scullery. Suddenly he heard a wild noise from his mother. Rushing into the kitchen, he found her standing on the hearthrug wildly waving a letter and crying "Hurrah!" as if she had gone mad. He was shocked and frightened.Question:A. Identify the author and the title of the novel from which the quoted part is taken.B. Who's Paul's mother?C. What conflict is presented in this novel?