Correct Answer: auspicious

Solution : The correct choice is the first option.

Explanation:
Ominous means giving the impression that something bad or unpleasant is going to happen, whereas auspicious means indicating a favourable or fortunate outcome, promising success or good fortune.

The meanings of the other options are as follows:

• Dark : Lacking light; characterised by a lack of brightness or illumination.
• Dismal : Depressing, gloomy, or dreary; causing a sense of gloom or hopelessness.
• Gloomy : Dark or poorly lit; characterised by a lack of cheerfulness or optimism.

Therefore, the correct answer is auspicious.