— Why don't you like the shirt?

— Its neck is not big for me at all. Have you got a shirt of this kind with _____ neck? [ ]

A. the biggest

B. a far bigger

C. by far the biggest

D. a more bigger

在自行车家族中有性能各异的不同车型。如装有辅助小轮的童车、双梁载重车、弯梁女式车、双坐双脚蹬的双人车等，这些特殊功能的实现，是因为设计者改变了（）。

A.车的自重

B.车的材料

C.车的结构

D.车的大小