--Hello, Kate. How is your weekend at home?
--Awful! You know it is the first time I ____ alone at home, bored to death.

--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 

---Hello, Kate. How is your weekend at home?

---Awful! You know it is the first time I ______ alone at home, bored to death.

1. A.
   has left
2. B.
   had left
3. C.
   had been left
4. D.
   have been left

--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 

--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