question for I-864

I am preparing I-864 for my wife, she is OPT without job) now, I ma H1 applying as NIW. part 2 of I-864,

I am filing this affidavit of support because:
a. I filed/am filing the alien relative petition
b file/am filling an alian worker petion on behalf ...
c. I have owership interst ...
d I am a joint sponsor ...

should a or b for me ?

Thanks