Someone

SELECT *
FROM 

    (
        (
            [Item]
            INNER JOIN [Category]
            ON [Item].[category_id] = [Category].[category_id]
        )
 

        INNER JOIN 
        (
            SELECT [b2].[item_id]
            AS [item_id], 
            MAX([b2].[bid_id]) 
            AS [bid_id]
            FROM [Bid] [b2] 
            GROUP BY [b2].[item_id]
        ) [v1] 
        ON [v1].[item_id] = [Item].[item_id]
    )

    

LEFT OUTER JOIN [Item]
ON [Item].[seller_id] = ?


    INNER JOIN [Bid]
    ON [v1].[bid_id] = [Bid].[bid_id]
 

WHERE [Item].[seller_id] = ?