IwasridingalongthestreetstreetandallofasuddenacarcutinandknockedmedownYoucanneverbecarefulinthestreet.AmuchBveryCsoDtoo这道题为什么用too不用其他几个选项说下原因

Question

I was riding along the street street and all of a sudden a car cut in and knocked me down
You can never be __careful in the street .
A much B very C so D too
这道题为什么用too 不用其他几个选项 说下原因

Answer 1

never be too ...意思是：再...也不为过,永远也不会嫌...太过头,等等意思.
never be too careful in the street翻译为：在街上再小心都不为过.
而其他选项不符合整段话的语境.