NO.PZ2018101901000038
问题如下：
A downtrend line is constructed by drawing a line connecting:
选项：
A.the lows of the price chart.
the highs of the price chart.
the highest high to the lowest low of the price chart.
解释：
B is correct. A downtrend line is constructed by drawing a line connecting the highs of the price chart.
这道题没有太理解，老是能否画图表述下意思么
