I asked Ayesha about the choice, and she replied, "The Messenger of Allah ﷺ gave us the choice. Was that a divorce?"
حدثنا يحيى عن إسماعيل قال أخبرني عامر
سألت عائشة عن الخيرة فقالت خيرنا رسول الله ﷺ أفكان طلاقا
Its isnad is sahih, mentioned previously at 25277.