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 Hermann's tortoise is an example of a reptile.
Select the reptile below.
A. human
B. Chinese alligator
C. red-headed poison frog
D. grass frog
Pick the correct answer from the listed options and provide the letter of the selected option.

B