Respuesta :
The dialogue in the passage most clearly reveals that Luca is shy.
What is a dialogue?
A dialogue is a representation of a spoken or written conversation between two or more individuals in literature or on stage.
Luca can be considered shy as he seemed reserved while placing an order. He did not make eye contact with the waitress and he was even sheepish while choosing a dressing for his salad.
All these attributes highlight his shyness.
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