问题如下：
1. Of the attributes summarized by Lee, which is not a requirement of an effective corporate governance system?
选项：
A.Attribute 1.
B.Attribute 2.
C.Attribute 3.
解释：
C is correct.
Separating the roles of chairman and chief executive officer is not a required attribute of an effective corporate governance policy. There is disagreement as to whether separating the roles of chairman and chief executive officer is an effective corporate governance attribute. The other attributes listed are part of an effective governance system.
A选项错在哪里？
