A & B are married. They have children, C & D. After A died, B gave birth to E. the children suspected that E is not the child of their father. Who can impugn the legitimacy of E?

• A. C & D can impugn the legitimacy of E.
• B. Only A can impugn the legitimacy of E.
• C. X & Y, the parents of A can impugn the legitimacy of E.
• D. C & D cannot impugn the legitimacy of E because it prescribed after A s death.