One of my teeth is so ______ that it is going to be missing soon

One of my teeth is so ______ that it is going to be missing soon.
A、lose
B、loose
C、loss
D、lost
【正确答案】：B
【题目解析】：lose失去，丢失；loose松动的；loss损失；lost迷路的句意：我的一颗牙太松了，很快就会掉的。