Select the most appropriate phrase : Mona would rather like a Gujarati thali than a Punjabi dish.

Answer: Expressing Choice | The structure 'would rather...than' is the standard pattern for expressing preference/choice between two options.
Option analysis:
[CORRECT] Expressing Choice — Correct. 'Would rather X than Y' = preference between two things.
[WRONG] Expressing Suggestion — Wrong. Suggestion uses 'should / must / let's / why don't you'.
[WRONG] Showing Contrast — Wrong. Contrast uses 'but / though / however / in spite of'.
[WRONG] Expressing Result — Wrong. Result uses 'so / therefore / as a result / consequently'.