Context: Reptiles have scaly, waterproof skin. Most reptiles live on land.
Reptiles are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A Chinese alligator is an example of a reptile.
Select the reptile below.
A. porcupinefish
B. anchovy
C. fire salamander
D. cobra
Identify the correct choice from the options below and respond with the letter of the correct option.

D