A为什么不对？请问不是以随机方式移动吗？

问题如下：

One principle of technical analysis is that a security’s price:

选项：

A.

tends to move in a random fashion.

B.

moves in patterns that tend to reoccur.

C.

does not reflect all known factor information relating to the security.

解释：

B is correct.

According to technical analysts, market psychology leads to repetition of price movements. Because investor behavior repeats itself, price movement patterns can be charted out, allowing technicians to recognize patterns.