单项选择题

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