单选题 The boy ahead of me is my classmate.
  • A. at the back of
  • B. behind
  • C. in front of
  • D. in the front of


【正确答案】 C
【答案解析】ahead of和in front of都表示“在……的前面”；at the back of：在……的后面；behind：在……之后；in the front of：在……的前部。