5. For what reason does Amir think that Baba doesn’t love him fully?
A、(A) Baba holds him responsible for the death of his wife (Amir’s mother), who died giving birth to Amir
B、(B) Because Amir never did well in the kite-fighting tournament
C、(C) Baba questions whether Amir is his biological son
D、(D) Baba prefers to fly kites with Hassan