I know this might not help now but I think its D but I will let you know for sure in a minute or two
Answer:
C) gills
Explanation:
becausethe tadpoles starts to lose its gills and develop teeth. Soon after this their back legs develop, their diet changes and they become carnivorous
Answer:
A.
Explanation:
Because the slang terms of "lame" and "cool"do not match the formal style of the passage.
D. because it's make Sence in that sentence