> じゃあ③が正解 **だってのか** よッ！

I know the bold part is jut a shortened version of だというのか. But what is the
meaning and function of だというのか? Is it just used to form an exclamation and it
means nothing?
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2020-01-26T05:53:48.067
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rhetorical-questions
What is the meaning and function of だというのか?
「The link posted gives us that だというのか mean

> 「～～というのだ」、「～～というの」、「～～というのか」, etc. added at the end of a question generally
> functions to emphasize the question itself.
>
> By adding one of those phrases, you are expressing the fact that you really
> want to know the answer because whatever happened that caused you to ask the
> question perplexes, surprises, shocks you, etc.

So I would translate as :

> Is it really true ?
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2020-12-27T17:50:25.247
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