单选题 If you ______ Jerry Brown until recently, you'd think the photograph on the right was strange.
  • A. shouldn't contact
  • B. didn't contact
  • C. weren't to contact
  • D. hadn't contacted
【正确答案】 D
【答案解析】虚拟语气。条件状语从句中表示对过去的虚拟，所以应该使用过去完成时。