Critical Reasoning (CR) | Re: Automobile ownership was rare in Sabresia as recently as 30 years ago,

Although I selected B as answer , I need a small clarification regarding A.
In A we have been told that roads changes in view of increased traffic were done >10y ago.
I think it also helps us in resolving paradox but I think issue is with this >10y ago
Let me know if my conception is correct in eliminating A

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