Intermediaries who are remunerated for giving investment advice should:
选项：

A: Document the basis of the investment advice given and provide a copy to the client.
B: The basis of the investment advice given is documented only at the request of the client.
C: Ensure that the client signs a risk disclosure statement that relieves the intermediary of the obligation to provide investment advice.
D: Investment advice is given to clients only in the presence of one of the three.