NO.PZ2015122801000009
问题如下：
Which of the following is least likely to be a characteristic of a well-functioning financial system?
选项：
A.Due to the informational efficiency, market prices reflect all current information.
B.The financial system is informationally efficient, and the security prices react to new information quickly.
C.A market can perform at low trading costs due to the operationally efficiency.
解释：
A is correct.
An informationally efficient market is characterized as reflecting all available information about the value of the securities.
A是正确的。
本题考察的是功能健全市场的特点。
一个功能健全的市场，价格应该反映所有过去和当下的可得信息。而A选项只说反映当下的信息，所以不全面。
本题问题描述的是最不可能，答案回答的是最可能，错误。
