TOEFL Reading: ETS-TOEFL阅读机经 - 3K5_5F465T3NAU7HL$

Paragraph 1 answers which of the following questions about parental care in dinosaurs? A. Which type of parental care was more important for the survival of dinosaur young, prehatching care or posthatching care? B. Why were dinosaur remains in eastern Montana preserved rather than destroyed over time? C. Did Maiasaura hadrosaurs provide types of parental care not provided by other dinosaurs? D. What evidence supports the view that Maiasaura females laid their eggs in nests?