—Jane and July are here. Did I introduce them to you?
—No，you didn’t. I’ve seen them，but we .
A. hadn’t been introduced
B. haven’t been introduced
C. weren’t introduced
D. didn’t introduce
网友回答
A. hadn’t been introduced
(答案→)B. haven’t been introduced
C. weren’t introduced
D. didn’t introduce
解析：考查时态。句意：—Jane和July在这里，我有没有把他们介绍给你？—不，你没有。我看见他们了，但是我们没有被相互介绍。根据句意说明描述的是过去发生的事情对现在的影响，故使用现在进行时的被动语态。故B正确。