It is Zainab. Allah's Apostle ﷺ withdrew his hand. There was an altercation between the two until their voices became loud (and it was at that time) when Iqama was pronounced for prayer. There happened to come Abu Bakr and he heard their voices and said: Messenger of Allah, (kindly) come for prayer, and throw dust in their mouths. So the Prophet ﷺ went out. 'A'isha said: When Allah's Apostle ﷺ would finish his prayer there would also come Abu Bakr and he would do as he does (on such occasions, i.e. reprimanding). When Allah's Apostle ﷺ had finished his prayer, there came to her Abu Bakr, and spoke to her ('A'isha) in stern words and said: Do you behave like this?  

كَانَ لِلنَّبِيِّ ﷺ تِسْعُ نِسْوَةٍ فَكَانَ إِذَا قَسَمَ بَيْنَهُنَّ لاَ يَنْتَهِي إِلَى الْمَرْأَةِ الأُولَى إِلاَّ فِي تِسْعٍ فَكُنَّ يَجْتَمِعْنَ كُلَّ لَيْلَةٍ فِي بَيْتِ الَّتِي يَأْتِيهَا فَكَانَ فِي بَيْتِ عَائِشَةَ فَجَاءَتْ زَيْنَبُ فَمَدَّ يَدَهُ إِلَيْهَا فَقَالَتْ هَذِهِ زَيْنَبُ فَكَفَّ النَّبِيُّ ﷺ يَدَهُ فَتَقَاوَلَتَا حَتَّى اسْتَخَبَتَا وَأُقِيمَتِ الصَّلاَةُ فَمَرَّ أَبُو بَكْرٍ عَلَى ذَلِكَ فَسَمِعَ أَصْوَاتَهُمَا فَقَالَ اخْرُجْ يَا رَسُولَ اللَّهِ إِلَى الصَّلاَةِ وَاحْثُ فِي أَفْوَاهِهِنَّ التُّرَابَ فَخَرَجَ النَّبِيُّ ﷺ فَقَالَتْ عَائِشَةُ الآنَ يَقْضِي النَّبِيُّ ﷺ صَلاَتَهُ فَيَجِيءُ أَبُو بَكْرٍ فَيَفْعَلُ بِي وَيَفْعَلُ فَلَمَّا قَضَى النَّبِيُّ ﷺ صَلاَتَهُ أَتَاهَا أَبُو بَكْرٍ فَقَالَ لَهَا قَوْلاً شَدِيدًا وَقَالَ أَتَصْنَعِينَ هَذَا