Leo Johnson is a Level Ⅲ candidate in the CFA Program and joins an online forum of candidates studying for the Level Ⅲ exam. Johnson writes on the forum: "Hi, I am a Level Ⅲ candidate in the CFA Program. A colleague who took the Level Ⅲ exam this June tells me that it's very difficult especially on the essay questions requiring tax calculation of personal investment policy statement" . Has Johnson most likely violated the Standards of Professional Conduct（）
A. No.
B. Yes, by improperly referencing the CFA designation.
C. Yes, by revealing confidential information about the CFA exam.