选出恰当的应答语。
A．He's only four years old．
B．Bob．I think．
C．I'm 48 kilograms．
D．Size 39．
E．He's 1.74 metres．
( 1 )____ ( 2 )____ ( 3 )____ ( 4 )____ ( 5 )____
It is to play on the street.
