单选题 ______ about wild plants that they decided to make a trip to Madagascar for further research.
  • [A] So curious the couple was
  • [B] So curious were the couple
  • [C] How curious the couple were
  • [D] The couple was such curious


【正确答案】 B
【答案解析】该题考查倒装句和主谓一致。so…that句型中,so部分放在句首主谓结构倒装。the couple作主语,谓语应该用复数。答案为B。