Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. Shirley Grainger had the task of ______.
A．making a complaint to the Actors’ Union B．finding out an approach to problem-solving C．investigating into the situation for hard evidence D．collecting anecdotal evidence that union is concerned about