"A. The ancestor of the dog." is a fragment. When in doubt, say the sentence out loud and ask yourself if there is enough information for the sentence to make sense.
A. Create a dominant mood
D its odvious that humans will never travel to planets near even the closest stars
Fast growing Salmon to me would be a freak of nature. Most likley some idiot put some steriods in the ocean, but also must mean something is happening with where they live and they are trying to adapt to what has happened.
Answer
C
Explanation: that’s the answer