【单选题】听力原文:W: You look worried, David. Anything wrong (19) ? M: Oh, it's nothing, really. W: Are you sure? Like to talk about it? M: Well, to be honest, it's.., it's my mother. She… she.. how shall I put it...
A.
Because his wife has been behaving strangely.
B.
Because his father has suddenly had a heart attack
C.
Because his mother is still so unhappy about his father's death.
D.
Because his daughter is all alone in a big house by the sea..