Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

In 1938, R. N. Elliott proposed a theory that equity markets move:
Option A:in stochastic waves.
Option B:in cycles following Fibonacci ratios.
Option C:in waves dependent on other securities.

Answer: B