这题A能否解释一下

问题如下：

A candlestick chart is similar to a bar chart except that the candlestick chart:

选项：

A.

represents upward movements in price with X’s.

B.

also graphically shows the range of the period’s highs and lows.

C.

has a body that is light or dark depending on whether the security closed higher or lower than its open.

解释：

C is correct. Dark and light shading is a unique feature of candlestick charts.