C. gone off
Feedback come forward - to step in front.
go off - 1.to explode 2. to make a loud sound 3. to stop liking 4. to stop functionate 5. to spoil.
go out - 1. to leave the house 2. to date with somebody 3. to stop working 4. to move abroad for earning money 5. to be old-fashioned.
fall for - 1. to be misled/deceived 2. to love somebody