问题
单项选择题
Which one of the following constitutes the illegal use of material nonpublic information（）
A. Trading based on your analytical review of the firm’s future prospects.
B. Trading immediately after attending the firm’s annual shareholders’ meeting.
C. Trading on information your sister, the firm’s attorney, told you over dinner.
答案
参考答案：C
解析：
Members may not trade on material nonpublic information; therefore, the information conveyed by the firm’s attorney may not be used by a member for trading purposes.