Explanation:

- The word "Calm" refers to a state of tranquility and peacefulness, indicating an absence of agitation or disturbance.

- Option 1: Excited

- Excited is an antonym of calm. It means being energetically enthusiastic or emotionally stirred up.

- This is opposite of the calm demeanor.

- Option 2: Quiet

- Quiet shares a similar meaning with calm, as it also implies peace and lack of noise or disturbance.

- It indicates a tranquil state, aligning closely with calm.

- Correct Answer

- Option 3: Disturbed

- Disturbed is an antonym for calm, meaning agitated or troubled.

- It indicates disquiet or unease.

- Option 4: Claim

- Claim is unrelated to calm. It refers to asserting ownership or stating something as a fact.