63. “The laws and rules that govern the securities industry derive from a simple and straightforward concept: all investors, whether large institutions or private individuals, should have access to certain basic facts about an investment prior to buying it, and so long as they hold it.” To achieve the above goal, the government authority will most likely require public companies to 　　　　 .
(A) disclose meaningful information 
(B) abstain from trading shares
(C) avoid self-dealing transactions 
(D) establish an internal control mechanism