---We’d like a double room with a view , please.
---I’m sorry, but all double rooms with a sea view already.
A. were reserved
B. had been reserved
C. have been reserved
D. have reserved
网友回答
A. were reserved
B. had been reserved
(答案→)C. have been reserved
D. have reserved
解析：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。