--Hello, Kate. How is your weekend at home?
--Awful! You know it is the first time I alone at home, bored to death.
A. has left
B. had left
C. had been left
D. have been left
网友回答
A. has left
B. had left
C. had been left
(答案→)D. have been left
解析：
这题考查时态：这是固定句型：it is the first time 从句中用现在完成时，而且我是被单独留下，所以选D。