I believe that A could be correct. The problem with C is that comma. Again, I'm not sure. You should wait for another person to help also. (I'm better at math.. Not English)
<em>I hope this helps!~
I will find someone else to help! :)</em>
B. <span>In the Haida myth, mischievous Raven frees the trapped stars to illuminate the sky, much to the chief’s annoyance.
C. </span><span>In the Māori myth, Tāne decides to honor his father, Rangi, by decorating him with stars.</span>