Explanation:
This'll make it easy : https://www.bbc.co.uk/bitesize/topics/zqhyb9q/articles/zkb86v4
Around a distant star, two planets similar to Earth collided and were destroyed, astronomers said today.
The somewhat speculative scenario is based on the leftovers: a ring of debris around the star that includes a million times more dust than now circles our sun.
I think it's B but i'm not positive it could be C also
