单项选择题
[听力原文] M: John is a head taller than Mary and Shelly. W: Yes, But Sam is much taller than John.
A.John. B.Sam. C.Mary. D.Shelly.
A.$ 10. B.$ 7. C.$ 5. D.$ 3.
A.France. B.Italy. C.Japan. D.Ireland.