Or have We given them a book before the Qur'an to which they are adhering?
The Saheeh International Quran Translation
أَمْ ءَاتَيْنَٰهُمْ كِتَٰبًا مِّن قَبْلِهِۦ فَهُم بِهِۦ مُسْتَمْسِكُونَOr have We given them a book before the Qur'an to which they are adhering?