Concept:The phrase “swept off one’s feet” is an idiomatic expression.
It describes an overwhelming emotional reaction of falling in love suddenly.
Explanation:When someone is “swept off their feet,” they lose their usual composure because of strong romantic attraction.
This does not mean being surprised, trusting someone, or becoming confused.
The idiom specifically points to immediate and intense affection.
It can be compared to being carried away by emotion.
Among the given options, the only meaning that matches this is “fell deeply in love.”
Hence, option A is the most appropriate interpretation.
Answer:A. fell deeply in love