—Can you tell me what time the flight to Detroit leaves?

—I’m sorry, but it _______________.

A. has been canceled   B. had been canceled

C. has canceled                 D. had canceled

---Can you tell me what time the flight to Detroit leaves?
---I’m sorry, but it ______.

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

31．—Can you tell me what time the flight to Detroit leaves?

       —I'm sorry, but it ______．

       A．has been canceled                 B．had been canceled

       C．has canceled                      D．had canceled

—Can you tell me what time the flight to Detroit leaves?

—I'm sorry, but it ______．

A．has been canceled                     B．had been canceled

C．has canceled                            D．had canceled

31．—Can you tell me what time the flight to Detroit leaves?
—I'm sorry, but it ______．