Explanation:

Cleaning a room regularly helps to maintain its cleanliness and tidiness. In this scenario, the speaker's room is compared to Bill's place based on their cleaning habits. The comparison indicates that the speaker's room is cleaner than Bill's place.

Reasoning:

To understand why the correct answer is option 'C' (Cleaner), let's break down the given information:

1. The speaker's room: The cleanliness of the speaker's room is being compared to Bill's place.
2. Bill's place: It is implied that Bill's place is not cleaned as frequently as the speaker's room.

Based on this information, we can conclude that the speaker's room is cleaner than Bill's place because the speaker cleans their room more often than Bill.

Importance of cleaning:

Cleaning a room regularly has several benefits, including:

1. Maintaining cleanliness: Regular cleaning helps remove dust, dirt, and other unwanted substances, making the room cleaner and more pleasant to be in.
2. Preventing allergies: Cleaning can help reduce allergens like dust mites, pet dander, and pollen, which can alleviate allergy symptoms.
3. Reducing clutter: Cleaning can involve organizing and decluttering, creating a more organized and visually appealing space.
4. Promoting good health: A clean environment reduces the risk of germs and bacteria, promoting better health and preventing the spread of diseases.
5. Enhancing productivity: A clean and organized room can improve focus and productivity, as it provides a conducive environment for studying, working, or relaxing.

Conclusion:

In conclusion, the correct answer is option 'C' (Cleaner). The speaker's room is cleaner than Bill's place because the speaker cleans their room more often. Regular cleaning not only keeps the room tidy but also offers various benefits for health, productivity, and overall well-being.