Which of the following statements about arbitrage and market anomalies is most accurate（）

A. Investors of the funds that arbitrageurs and traders use are generally too patient and fail to remove funds in a timely manner when trades go against them.

B. Arbitrageurs have more capital at their disposal than they require enabling them to pursue any security mispricing.

C. In pairs trading, where an arbitrageur purchases the underpriced security and shorts the overpriced security, stock-specific risk remains.