Read the following article and answer the question by choosing from the options.

I hate it when someone who I trusted wholly turns into a monster . Thursday night I had a really awful experience that I wo n't go into detail to protect this person , though I really do n't know why I would protect , but not only was I used and just objectified , but completely and utterly shocked by this person 's complete lack of loyalty . But enough about that .

What may have happened between this person and their friend ?
a). Their friend had gotten in trouble .. b). Their friend had stabbed them in the back .. c). Their friend had lied to others .. d). None of the above choices .....A:
b).