What happened to the man just now?
Lydia, I haven't seen you for ages. How have you been doing?<br />Um, do I know you?<br />Oh dear, I'm terribly sorry. You look like one of my old friends.
A . He met an old friend on the street.
B . He mistook the woman for his friend.
C . Lydia paid an unexpected visit to him.
答案:B