这个英语单选为什么选D?
9.She refused to ________ the car keys to her husband until he had promised to wear his safety belt.
[A] hand in
[B] hand out
[C] hand down
[D] down,为什么不选择A却选择D?
是从沪江网上看历年考研英语真题是发现的，我也觉得D别扭。就是不明白为什么选D？难道是他们弄错了答案？