Salamanders lay their eggs in the water where they stay until they are ready to be hatched. During a particularly hot summer, there was a lack of rain. What is the most likely reason for a low population of salamanders in the area?
A. Lack of rain interrupted the life cycle of salamanders.
B. The salamanders moved to another area.
C. The salamanders could not find mates.
D. Predators ate all the salamanders.