单选题

Which of the following about the breach of Standard Ⅳ(B) Priority of Transactions is correct?（）

A、 Members wait to trade until after their firm's clients have been informed, but before they have had time to act.
B、 Members for their client's account before the release of material nonpublic information.
C、 Members trade on their family accounts after the member's clients and employer have had an adequate opportunity to act.

【正确答案】 A

【答案解析】

To avoid violating the standards, members cannot trade until the member's clients and employers have had an adequate opportunity to act on the recommendation.