An analyst finds a stock with historical returns that are not correlated with interest rate changes. The analyst writes a report for his clients that have large allocations in fixed - income instruments and emphasizes the observed lack of correlation. The clients with allocations of fixed income instruments are the only clients to see the report. According to Standard Ⅴ (B) , Communication with Clients and Prospective Clients, the analyst has:（）
A. violated the Standard concerning fair dealings with all clients.
B. not violated the Standard.
C. violated the Standard by emphasizing the information concerning the correlation.
