从方框中选出下列各旬的最佳应答语。
A.It was good.Thank you.
B.Yes.I could see many stars.
C.I rode a bike yesterday.
D.We went there by plane.
E.I'm 34 kg.
选出恰当的应答语( )
____
从甲书店调了128本书到乙书店后,甲书店还比乙书店多30本书,乙书店原来比甲书店少多少本书?
如图所示,棱柱ABC﹣A1B1C1的侧面BCC1B1是菱形,设D是A1C1上的点且A1B∥平面B1CD,则A1D:DC1的值为____