De or het antwoording?

The correct Dutch article is:

de antwoording

Rule Words ending in -ing: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use antwoording

the antwoordingde antwoording
this antwoordingdeze antwoording
that antwoordingdie antwoording
our antwoordingonze antwoording
your antwoordingjouw antwoording
every antwoordingelke antwoording
which antwoording?welke antwoording?
a big antwoording / the big antwoordingeen grote antwoording, de grote antwoording

Dutch words ending in antwoording

beantwoording | verantwoording | tijdverantwoording | eindverantwoording | urenverantwoording | beleidsverantwoording | onderzoeksverantwoording

In compound words, the last part decides the article. See the rule