【单选题】

Man: Bill looks very upset these days. What's happened to him recently Woman: It seems that Bill could never shake off the feeling that he is a failure in his fife. Question: What does the woman mean
A．Bill couldn't find the feeling that he is a failure in his life.

B．Bill would be very sad due to the fact that he failed in a test.
C．Bill wouldn't get himself away from the feeling of a failure.
D．Bill would be of a feeling that he is a failure in his life.