Context: Amphibians have moist skin and begin their lives in water.
Amphibians are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A red-spotted newt is an example of an amphibian.
Select the amphibian below.
A. arroyo toad
B. clownfish
C. blue-footed booby
D. sea otter
Determine the correct option from the provided choices and reply with its corresponding letter.

A