لَّوْلَآ إِذْ سَمِعْتُمُوهُ ظَنَّ ٱلْمُؤْمِنُونَ وَٱلْمُؤْمِنَٰتُ بِأَنفُسِهِمْ خَيْرًا وَقَالُوا۟ هَٰذَآ إِفْكٌ مُّبِينٌ

Why did not the believing men and the believing women, when you heard it, think well of their own people, and say: This is an evident falsehood?