GMAT Critical Reasoning (CR) | Re: Fish currently costs about the same at seafood stores

I guess ans should be E. My reasoning is mentioned below -

E. Whether Seafood stores within the city will in the future set prices that are lower than those at suburban seafood stores.

Every evaluate question has two directions 'yes' or 'No'. Each ans should either strengthen or weaken the argument.

So if we take the ans of the above question 'yes' that means if 'Seafood stores within the city will in the future set prices that are lower than those at suburban seafood stores', so in that case
...

---