Answer: D

The risk assessment of fund products specifically reflects the risk level of fund products, which should include at least the following three levels: low risk level, medium risk level and high risk level. Fund sales institutions can further subdivide risks on the basis of these three levels according to the actual situation. The risk evaluation of fund products should be based on at least the following four factors: first, the investment direction, investment scope and investment ratio stated in the fund prospectus; second, the historical scale and position ratio of the fund; third, the historical fluctuation degree of the fund's past performance and the fund's net value; and fourth, whether there are any irregularities since the fund was established. The risk assessment methods and explanations of fund products used by fund sales institutions shall be disclosed to fund investors through appropriate channels. The results of risk evaluation of fund products shall be updated regularly, and the previous evaluation results shall be kept as historical records.