Article 17 of the Measures for the Administration of Futures Practitioners stipulates that futures practitioners of futures investment consulting institutions shall not commit any of the following acts: (1) providing or disseminating false or misleading information to customers by using the media or other means; (2) Acting as an agent for clients to engage in futures trading; (three) other acts prohibited by the China Securities Regulatory Commission. Item C belongs to the prohibited behavior of futures practitioners in futures investment consulting institutions. Article 18. Futures practitioners of institutions that provide intermediary services for futures companies shall not commit the following acts: (1) Receiving and paying, depositing and withdrawing or transferring futures deposits; (2) Acting as an agent for clients to engage in futures trading; (three) other acts prohibited by the China Securities Regulatory Commission. ABD belongs to the prohibition of futures practitioners in institutions that provide intermediary services for futures companies. So the answer to this question is C.