单选题 The author's primary purpose is to
  • (A) answer a theoretical question in the field of dinosaur thermoregulation
  • (B) discuss the current state of research in the field of dinosaur thermoregulation
  • (C) resolve a dispute in the field of dinosaur thermoregulation research
  • (D) predict a future crisis in the field of dinosaur thermoregulation research
  • (E) suggest some of the possible benefits of a technique in dinosaur thermoregulation research


【正确答案】 B
【答案解析】