“So ask them [O Muhammad, the people of Mecca]” — meaning the polytheists. He says: Ask them, “Does your Lord have daughters while they have sons?” That is because of their claim that the angels are the daughters of Allah [Allah, Exalted be He, says: How could He have a child? And He said].
﴿فاستفتهم﴾ [يَا مُحَمَّد، أهل مَكَّة]- يَعْنِي: الْمُشْركين - يَقُولُ: فاسألهم ﴿أَلِرَبِّكَ الْبَنَاتُ وَلَهُم البنون﴾ وَذَلِكَ لقَولهم أَن الْمَلَائِكَة بَنَات اللَّه [يَقُولُ اللَّه سُبْحَانَهُ: أَنى يكون لَهُ ولد، وَقَالَ]