单选题 An analyst does research about arbitrage opportunities. With respect to the informational efficiency of markets, is the ability to correct the mispricing of assets most likely weakened if:

【正确答案】 C

【答案解析】[解析] 限制卖空会阻碍有价证券的合理定价，导致更正错误定价的能力削弱；而套利资金能够促进证券合理定价，增加套利行为的资金量会加强更正错误定价的能力。