Answer:
the purpose is to get the teachers to stop using red pens because it is effecting the way the students feel, because the color red usually symbolizes anger and bad things, so it doesn't make the students feel good.
I believe the answer would be C because it tells you what their body is like and things that could help them catch prey. The other options don't tell you WHY they are great hunters.
: However, the soldier puts the twins in the tank.