Explanation:

- The passage highlights the benefits of television, such as increasing our knowledge and aiding those who cannot leave home.

- It mentions that high-quality programs expand our understanding in various fields.

- The passage also notes how television can be beneficial for elderly individuals and hospital patients.

Options Explanation:

- Option 1, Positive:?? This reflects the passage's tone as it highlights positive aspects of television.

- Option 2, Negative: Would suggest a focus on drawbacks, which is not present in the passage.

- Option 3, Bellicose: Means aggressive or warlike, which is not relevant here.

- Option 4, Boastful: Implies excessive pride, which doesn't apply to the text.

- Option 5, Sarcastic: Suggests irony, which is absent from the passage.

Correct Answer:

- Option 1, Positive