Question: John's pet frog was sick because it wasn't staying warm enough. Maybe
Choices:
text: The frog was getting burned by a heat lamp
label: A
text: the frog was unable to regulate its body temperature without an external heat source
label: B
text: The frog was using too much ice in its drinks
label: C
text: The water in the tank had dried up.
label: D
Answer: B