Masruq (may Allah have mercy on him) says: I asked Sayyidah Aishah (may Allah be pleased with her) about the choice, and she said: "The Messenger of Allah (peace and blessings be upon him) gave us the choice and we chose him, and that was not a divorce."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الخلع والطلاق / 15022