47. Which of the following best captures the point which the author aims to make by the example of Mary Jones? (A) The percentage of American babies born to never-married mothers has increased spectacularly. (B) Passport forgeries are much more than forgeries of birth certificates (C) In our age, the birth certificate as an official document of personal identity is not as valuable as it was in the 19th century (D) Female suffrage has caused the high percentage of divorces (E) The intranational and international nomadism of modern life has resulted in the disintegration of the family