Explanation:

- It is an ______ day to start your new business.

- This sentence suggests starting a business on a particular type of day.

- Option 1: Audacious

- Means bold or daring.

- Not typically associated with a good or bad time to start a business.

- Option 2: Ominous

- Means threatening or inauspicious.

- Indicates a negative or bad time for an activity.

- Option 3: Auspicious

- Means favorable or promising for success.

- Suggests a good time to start something new.

- Option 4: Occasional

- Means occurring at irregular intervals.

- Doesn't relate to luck or timing for starting a business.