I believe the correct answer is D) they are in the same family.
A) is certainly not correct, because they can look different, although they don't have to.
B) species is a lower taxonomic rank than genus
C) they don't have to live in the same kind of environment
When my nephew is not listening and I’ll get so frustrated and the next sentence I use will involve the F word. I instantly regret doing that because I would never do that in front of his mom (who’s also my sister). In addition to that, he doesn’t listen anyways. Instead of using vulgarity, disrespecting my sister, and being furthermore frustrated by the fact that he still didn’t listen to me, I should have not said anything and left the room.
The Answer is, Underground