填空题 (The above) is the most important aspect (which) apes (can be told) from more (primitive) social groupings.
  • A. The above
  • B. which
  • C. can be told
  • D. primitive


  • 1、
【正确答案】 1、B应改为in which。    
【答案解析】[解析] 因为which前面的先行词是aspect，所以应用介词+which的结构。