Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Question 48: My grandfather started collecting stamps when he was 65.
A. My grandfather took up stamps collecting when he was 65.
B. My grandfather took off stamps collecting when he was 65.
C. My grandfather took away stamps collecting when he was 65.
D. My grandfather took in stamps collecting when he was 65.