Please choose the right answer which reflects the right meaning of the underlined words. It is not your aptitude , but your attitude that decides your altitude .
【单选题】To study a number of subjects in the humanities has been both enjoyable and ______, providing me with a new and different perspective on the world in which we live.
【单选题】To study a number of subjects in the humanities has been both enjoyable and _______, providing me with a new and different perspective on the world in which we live.
【单选题】To study a number of subjects in the humanities has been both enjoyable and ______, providing me with a new and different perspective on the world in which we live.