A marriage took place between A and B. Three days after the marriage, B gave birth to a child. B says that she gave birth to A's own daughter and A denies this. Which of the following conditions are necessary in the conditions of conclusive proof?

• A. Birth of a daughter in continuation of marriage
• B. विवाह का विच्छेद होने पर विच्छेद से 280 दिनों में सन्तान उत्पन्न हुई और ख ने इस अवधि में दूसरा विवाह न किया हो
• C. Possibility of mutual access of the parties to the marriage at the time of birth
• D. All of the above