Compared to Mammals and Reptiles, What Characteristic Prevents Amphibians from Surviving

Multiple Choice

Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?

A) Their limbs are too weak to support their weight on land.
B) They do not have any lungs and cannot breathe out of the water.
C) Their eggs do not have an amnion to prevent them from drying out.
D) Their cartilaginous endoskeleton would dry out on land.