TOEFL Reading: ETS-TOEFL阅读机经 - _3175H713E5DZ4MUL$

Paragraph 4 answers all of the following questions about crocodiles EXCEPT: A. What is the evidence that crocodiles are caring parents? B. Why do crocodile parents communicate with the young inside their eggs? C. What is a possible reason for the high-frequency sounds that crocodiles make inside their eggs? D. How do crocodiles participate in the hatching process of their young?