问题如下：
Aden, CFA, is a stock analyst in firm A. Which of the following descriptions is least likely correct under the Code and Standards?
选项：
A. If Aden teaches musical instrument during part-time, he doesn't need to disclose to his employer.
B. If Aden misses the important e-mail during holiday, which lead to a serious loss to the company, this analyst violate the standards of loyalty to the employers.
C. If Aden writes research reports for another firm during his part-time, he needs to get the written consent from his employer before he accepts this part-time job.
解释：
B is correct.
Under Standard IV(A) Loyalty, if Aden misses the important e-mail during holiday, which lead to a serious loss to the company, he doesn't violate the standard. Because this happens in the holiday, not the work time. Aden has no intention to miss the email.
照理说选项 a 也应该披露吧
