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.

If a market is weak-form efficient but semi-strong-form inefficient, then which of the following types of portfolio management is most likely to produce abnormal returns?
Option A:Passive portfolio management.
Option B:Active portfolio management based on technical analysis.
Option C:Active portfolio management based on fundamental analysis.

Answer: C