GMAT Critical Reasoning (CR) | Re: Excavation of the ancient city of Kourion on the island of

(A) Bronze ceremonial drinking vessals that are often found in graves dating from years preceding and following A.D. 365 were also found in several graves nearKourion.
the choice supports the argument partially but not completely as the glasses found in the busrial sites does not mean that the city was detroyed by the earthquakel.
(B) No coins minted after A.D. 365 were foundin Kourion, but coins minted before that year were found in abundance
this choice proves that the city was destroyed as no coins
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