WHAT DOES IT IN PARAGRAPH 4 REFER TO

48. - DE THI THU DAI HOC MON TIENG ANHHAY
Lớp 12 Tiếng Anh DE THI THU DAI HOC MON TIENG ANHHAY
48. What does it in paragraph 4 refer to?A. Modern technology B. New media C. The Internet D. A webmaster’s career