Found That When Students Were Invited to Write Essays Advocating

found that when students were invited to write essays advocating a strict dress code,which was against the students' own positions,the students were not willing to write the essays even if they were paid.After turning down the money,the students became

A) agitated.
B) less confident in their decision.
C) more confident in their decision.
D) annoyed at those students who were willing to write the essay.