听力原文:Had I known you didn't have a key, I wouldn't have locked the door. Which is true
听力原文:Had I known you didn't have a key, I wouldn't have locked the door.
Which is true about the speaker's implication?
A.I knew you have a key.
B.I'm sorry I locked the door.
C.I'm sorry I didn't lock the door.
D.I didn't know you have a key.