There Are Exceptions to the General Rule That Amphibians Lay

There are exceptions to the general rule that amphibians lay eggs that develop in the water.These exceptions show extreme variation but they do have one thing in common.What is it?

A) They all develop in some sort of pouch.
B) They all develop in desert environments.
C) They all develop in habitats with adequate humidity.
D) They all develop in a camouflaged environment.
E) They all develop more slowly than eggs developed in water.