Select the most appropriate option to fill in the blank.

This drama is extremely informative _______ life in Roman times.

about

The correct option to fill in the blank is about.

The sentence is about the drama being informative about life in Roman times. The word "about" is the most appropriate word to use in this context, as it refers to the subject matter of the drama.

The other options are not as appropriate:

• On means in a location. It would not be accurate to use "on" in this context, as the drama is not located in life in Roman times.
• Of means belonging to or connected to. It would not be accurate to use "of" in this context, as the drama is not owned by or connected to life in Roman times.
• For means intended for. It would not be accurate to use "for" in this context, as the drama is not intended for life in Roman times.