Question

---We’d like a double room with a view , please.

---I’m sorry, but all double rooms with a sea view _____________already.

1. A.
   were reserved
2. B.
   had been reserved
3. C.
   have been reserved
4. D.
   have reserved

Answer 1

C
考察时态和语态。Already通常与完成时连用，结合句意可知使用被动语态，故C正确。句意：所有的海景双人房都已经被预定了。