Final answer:
The Italian word 'Subito' can mean 'Suddenly', 'At once', or 'Immediately'
Step-by-step explanation:
The Italian word 'Subito' can be translated to mean 'Suddenly', 'At once', or 'Immediately'.
It is an adverb that is used to describe actions that happen quickly or without delay.
For example, if someone says 'Subito!' in Italian, it means 'Do it right away!'.
Therefore, the correct answer is 4) All of the above.