This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Galactokinesis means : \nSelect and explain. \nA. Sustaining lactation, B. Secretion of milk, C. Ejection of milk, D. Synthesis of milk', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ejection of milk', 'role': 'assistant'}]