单选题 This is an old photo of mine when I ______.
  • A. have short hair
  • B. had short hairs
  • C. had short hair


【正确答案】 C
【答案解析】hair为不可数名词排除B，“照这照片时我留着短发”应用过去时态，排除A，所以C为正确答案。