What am I?

 Hello! I Can hide in trees, but I don't change colors. I can be a dangerous ANIMAL. You can find me in a Jungle. I do make a sound. I can sleep all day.
                                                        Am I a
  A) Cricket       C) Monkey
B) Boa Constructor D) Tiger
   I am a Boa constructor! www.thehindu.com www.dreamstime.com wallpaperswide.com fin6.com