问题如下：
Exhibit 1 depicts GreatWall Information Industry Co., Ltd., ordinary shares, traded on the Shenzhen Stock Exchange, for late 2008 through late 2009 in renminbi (RMB).
Exhibit 1. Candlestick Chart: GreatWall Information Industry Co., Ltd. Price Data, November 2008–September 2009 (Price Measured in RMB × 10)
-2015120601.files/image006.jpg)
Based on Exhibit 1, the uptrend was most likely broken at a price level nearest to:
选项：
A.7 RMB.
B.8.5 RMB.
C.10 RMB.
解释：
B is correct.
It is demonstrated in the following chart:
Exhibit 1. Candlestick Chart: GreatWall Information Industry Co., Ltd. Price Data, November 2008–September 2009 (Price Measured in RMB × 10)
-2015120601.files/image008.jpg)
这题的 broken 指什么？这题怎么做？是什么理论呀？
