听力原文：W: Air security checks in the airport always make me nervous. I'm worried that I'll set off the alarm because of my jewelry.M: No, I know I'll set off security alarm for surE.I have a steel plate in my arm from a rugby injury.Q: Why will the man set off the alarm in the airport?(17)A.Because he is wearing jewelry.B.Because he has keys in his pocket.C.Because he has a mental plate in his bag.D.Because he has a steel plate in his body.
A.M:
B.
Q:
C.Because
D.
B.Because
E.
C.Because
F.
D.Because
G.