Huh? There is no attachment.
B.)
The 2 sentences should be turned into one because if the last sentence is left like that, it would be called a fragment/incomplete sent.
Without the further context of the article you're on, I would say the answer is most likely C.
Dying is far more opposed than negative ideations.
Hope this helped.
<span>C. He knows that Jean will regret it if she does not participate in the songs at school.</span>
