A person who says he's a company manager calls the
journalist from an old-school pay phone to say the company
sent an employee with chemical burns to an out-of-state
clinic for treatment, but he hangs up without giving his name.
a) "a company manager close to the situation"
b) "an informed source inside the company"
c) Don't use this source
Phone
Explain why you did NOT choose the other two answers: