题目内容：

lost sight; disappeared; out of sight
Because of the heavy fog,the TV tower was __________.
A.in sight
B.lost sight
C.disappeared
D.out of sight
我选了C

优质解答

out of sights 是看不见.指在视线中消失,但不是本身就不存在了.
disappeared是消失不见了.是本身发生了移动或变化.