听力原文：W: Is your brother older than you?
M: No. he is 3 years younger. He is 18.
Q: How old is the man?
(5)
A．18 years old.
B．15 years old.
C．20 years old.
D．21 years old.

A.18
B.
B．15
C.
C．20
D.
D．21

【参考答案】

D
解析：根据…he is 3 years younger. He is 18. 可知, 他今年21岁, 故选D。