听录音，选出正确答案。(15分)
( )（1）Who is younger than me?
A．Mike. B．Amy. C．Alice.
( )（2）How tall is she?
A．160 cm. B．155 cm. C．120 cm.
( )（3）Who is heavier than Mike?
A．Nobody. B．Alice. C．Mu Lan.
( )（4）Is Sarah taller than Amy?
A．Yes，she is. B．No，she isn't. C．No.
( )（5）How old is Lily?
A．13. B．11. C．15.