这里meant for和used for怎么区别

这里meant for和used for怎么区别？ 一道完形填空的题：Burlington isn't much more than alarge village.Its streets never________for heavy traffic.
A.tested B.meant C.kept D.used
案给的B,为什么不选D?used for 被用来？   

参考案 use是及物动词，所以在这里要用被动式。Its streets have never been used for heavy traffic.