如果房地产开发项目的总收入和总费用是同步变化的，那么该项目的净利润将基本保持不变。（2012年真题）

Jenny Hein, CFA, is a research analyst covering a mining industry. Hein has prepared a research report on one mining company based on research from a variety of sources and other analysts. Hein combines these materials to form her own opinion and completes the report without acknowledge her sources in her report. Then Hein distributes the report to her clients. Has Jenny most likely violated the Standards of Professional Conduct（）

A. No.

B. Yes, by failing to cite the work of others in her report.

C. Yes, by failing to have reasonable basis for her opinion.