Select the most appropriate ANTONYM of the given word from the following sentence.
Confusing
The stars twinkled in the dark sky, guiding travellers on their journey.

The correct option is Guiding.

Explanation:
1. Given word: Confusing means causing bewilderment, disorientation, or making something unclear and leading someone astray.
2. Meaning of Antonym: An antonym is a word that has the exact opposite meaning of a given word. Therefore, we need a word that means leading, directing, or providing clear orientation.
3. Analysis of Options:
• Guiding: Means directing, showing the correct path, or leading someone in a clear direction. This is the direct opposite in meaning to "Confusing".
• Twinkled: Means shone with a flickering light or sparkled.
• Travellers: Refers to people who are undertaking a journey.
• Journey: Refers to the act of traveling from one location to another.

Hence, the most appropriate antonym of the word "Confusing" present in the sentence is Guiding.