What does the author most probably think about what the ACCC did to the woman

A．the Public Interest Disclosure Act came fully into force only last year
B．it treats informants as witnesses acting in the public interest
C．informants are threatened with the possibility of losing their jobs
D．informants are considered as merely pursuing a personal complaint

A．had repeatedly complained to his employer
B．did not get any response from his employer
C．was concerned about public security
D．became brave after the 9.11 disaster