写IPS的目的不是防止秋后算账的吗
题如下图：
选项：
A. 
B. 
C. 
解释：
NO.PZ2015121801000116 问题如下 Whiof the following best scribes the unrlying rationale for a written investment polistatement (IPS)? A.A written IPS communicates a plfor trying to achieve investment success. B.A written IPS provis investment managers with a rea fense against client lawsuits. C.A written IPS allows investment managers to instruclients about the proper use anpurpose of investments. is correct.A written IPS is best seen a communication instrument allowing clients anportfolio managers to mutually establish investment objectives anconstraints. 可以一下这个题的考点吗
c为什么不对呢？
请问老师怎么理解这题，b和c为什么不对？
请问C是错在哪里
