When they reached the cinema, the tickets ________．
When they reached the cinema, the tickets ________．
A.had sold out
B.have been sold out
C.had been sold out
D.have sold out
答案及解析： C
When they reached the cinema, the tickets ________．
A.had sold out
B.have been sold out
C.had been sold out
D.have sold out
答案及解析： C