Q: If P $ Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B $ C * D, who is the father? 1810 0

• 1
  D
  Correct
  Wrong
• 2
  B
  Correct
  Wrong
• 3
  C
  Correct
  Wrong
• 4
  Data is inadequate
  Correct
  Wrong