The correct answer is C. rage.
Rage is a feeling of intense anger and displeasure. It is often accompanied by a loss of control and a desire to lash out. Rage can be caused by a variety of factors, including frustration, fear, and betrayal. It can be a powerful emotion that can lead to destructive behavior.
The other options are not as accurate descriptions of the demonstrators’ feelings. Asperity is a quality of being harsh or severe. Passion is a strong feeling of enthusiasm or excitement. Acrimony is a bitter or resentful attitude.
In the context of the question, the demonstrators are clearly feeling a great deal of anger and displeasure. They are so angry that they are turning against the machines. This suggests that they are experiencing rage.