De or het marktbevraging?

The correct Dutch article is:

de marktbevraging

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

How to use marktbevraging

the marktbevragingde marktbevraging
this marktbevragingdeze marktbevraging
that marktbevragingdie marktbevraging
our marktbevragingonze marktbevraging
your marktbevragingjouw marktbevraging
every marktbevragingelke marktbevraging
which marktbevraging?welke marktbevraging?
a big marktbevraging / the big marktbevragingeen grote marktbevraging, de grote marktbevraging