—I’m going to attend your lecture at 9∶30 tomorrow morning.

—I regret to tell you that. When you arrive, it will have ended and I ________ questions with my students.

A．would discuss

B．will discuss

C．will be discussing

D．am discussing

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.