Explanation:

- Bafflement: This is a state of being perplexed or confused. It indicates a lack of understanding or clarity regarding a situation.

- Option 1: Confusion: This means a state of bewilderment or lack of clarity, making it a close synonym of bafflement. They both describe a similar state of mental disorientation or uncertainty.

- Option 2: Pleasure: This refers to a feeling of happiness or enjoyment. It is not related to bafflement, as pleasure usually involves positive emotions.

- Option 3: Clarity: This means clearness or lucidity, especially in terms of thought or expression. It is opposite to bafflement, which involves confusion.

- Option 4: Cleanliness: This pertains to being clean or free from dirt. It is unrelated to the concept of bafflement.

Correct Answer: Option 1 - Confusion