Everyone was listening to the news of earthquake with mounting anxiety.

The correct answer is C. uneasiness.

Anxiety is a feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome. It is a normal and often healthy emotion, but when it becomes excessive, it can interfere with daily life.

Curiosity is a desire to know or learn something. It is a natural human emotion that helps us to learn and grow.

Grief is a deep feeling of sorrow or regret. It is a normal and often healthy emotion that we experience when we lose someone or something that we love.

Eagerness is a strong desire to do or experience something. It is a positive emotion that can motivate us to achieve

In the context of the question, everyone was listening to the news of the earthquake with mounting anxiety. This means that they were feeling worried, nervous, and uneasy about the event. They were probably wondering what would happen and if they or their loved ones were in danger. This is a normal and understandable reaction to a natural disaster.