Answer: A, C, D

Article 24 of the "Regulations on the Administration of Futures Trading" stipulates that when a futures company accepts a customer's entrustment to conduct futures transactions for them, it must present the risks to the customer in advance. After the instruction manual is signed and confirmed by the customer, a written contract will be signed with the customer. Futures companies shall not carry out transactions without the client's entrustment or in violation of the client's entrustment. Carrying out futures trading without authorization. Futures companies are not allowed to make profit guarantees to clients; they are not allowed to agree with clients to share benefits or assume risks in the brokerage business. Therefore, the answer to this question is ACD.