Respuesta :
The action of Ji-Suk that developed the theme that adapting to cultural change is difficult is D. Still, she was determined not to force Seo-Jun to do the things her mother had forced her to do.
The theme of a story is the main idea that a writer explores. It can be conveyed through the use of setting, character, dialogue, plot, etc.
The author described how difficult it can be when people want to adapt to a particular culture when there's a change to other countries.
Therefore, based on the information given, the action that develops this is "Still, she was determined not to force Seo-Jun to do the things her mother had forced her to do".
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