DECLARE @TableA TABLE (ID INT, [Name] VARCHAR(10))

INSERT @TableA 
SELECT 1, 'Test1'
UNION ALL SELECT 2, 'Test2'
UNION ALL SELECT 3, 'Test3'

DECLARE @TableB TABLE (ID INT, Item VARCHAR(10))

INSERT @TableB
SELECT 1, 'Item1'
UNION ALL SELECT 2, 'Item2'

DECLARE @TableC TABLE (ID INT, AID INT, BID INT) 

INSERT @TableC SELECT 1, 1, 1

-- Option 1 (*should* be more effecient)
SELECT DISTINCT
	A.ID, 
	A.Name, 
	CASE
		WHEN C.BID IS NOT NULL THEN B.Item
		ELSE NULL
	END AS Item
FROM 
	@TableA AS A
CROSS JOIN
	@TableB AS B
LEFT OUTER JOIN
	@TableC AS C
	ON A.ID = C.AID
	AND B.ID = C.BID
LEFT OUTER JOIN
	@TableB AS B1
	ON C.BID = B1.ID

-- Option 2 with Derived Table
SELECT
	T.ID,
	T.Name,
	B.Item
FROM
	@TableB AS B
RIGHT OUTER JOIN
	(
		SELECT DISTINCT
			A.ID, 
			A.Name, 
			C.BID
		FROM 
			@TableA AS A
		CROSS JOIN
			@TableB AS B
		LEFT OUTER JOIN
			@TableC AS C
			ON A.ID = C.AID
			AND B.ID = C.BID
	) AS T
	ON B.ID = T.BID