The more polite way to ask for a drink in Spanish is 'Una limonada, por favor' since it includes 'please.' When someone thanks you for a kind gesture, responding with 'De nada' is the appropriate way to acknowledge their thanks. ;
The more polite way to ask for a drink in Spanish is 'Una limonada, por favor' because it includes 'please.' This request shows respect and courtesy towards the listener. Therefore, option a) is the correct choice.
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