44:50

إِنَّ هَٰذَا مَا كُنتُم بِهِ تَمْتَرُونَ

Transliteration:

Inna hatha ma kuntum bihi tamtaroona

Word by Word:

Indeed, this (is) what you used to [about it] doubt."

Translations:

This is the very thing which you [deniers of the truth] were wont to call in question!"

"Truly this is what ye used to doubt!"

Lo! this is that whereof ye used to doubt.

Surely this is what you doubted.

Indeed, this is what you used to dispute."