Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

Have you ever had the feeling that people older than you are hard to understand? Or, have you felt like people from younger generations just don't get it? Maybe you find it easier to connect with people  ______ are closer to your age than those who are older or younger than you. You can probably thank the generation gap for these feelings.

• A. A. who
• B. B. which
• C. C. when
• D. D. what

Đại từ quan hệ “who” thay cho danh từ chỉ người “people”, các phương án khác không có chức năng này.