Jessica Is an Employee in a Manufacturing Plant Who Works

Jessica is an employee in a manufacturing plant who works the graveyard shift, midnight to 8 a.m.One night, she saw one of her managers dumping some chemicals down a storm drain in the parking lot.When she confronted him, he said this was standard procedure for some waste materials to avoid other costly disposal measures.When Jessica wrote a letter about it to the local newspaper she was a(n)

A) victim's advocate.
B) activist.
C) gossip.
D) whistle-blower.
E) disloyal employee.