请问三个选项怎么理解好

NO.PZ202206140600000402 问题如下 Whitrang option is most appropriate for selling securities from the new technology sector of the UPX Fun A.Option 1 B.Option 2 C.Option 3 SolutionB is correct. A schelealgorithm over the eight-week periois the best option for selling the securities. There is sufficient liquity in the market, because on any given y, the amount solwill approximately 0.5% of the ily volume: 20% ily volume ÷ (5 ys × 8 weeks) = 0.5%. The priimpaof trang will minimal, anthere is no tra urgengiven the time horizon for liquiting the shares. A is incorrect. Given ththe tra cexecuteover a two-month perio there is no reason to incur the expense of having a broker aa principtrar for all the shares. If there were a neeto tra the shares quickly, this kinof strategy coulwarrante C is incorrect. A rk pool is more appropriate when a given tra crevevaluable information about the security being tra In this case, the trang hno information value annee to eventually fully execute in aition, a rk pool es not guarantee execution. 讲义上写流动性好、小单，non-trenng 才适合schelealgorithm ，但这道题中写The volume of shares thneeto solis approximately 20% of the ily volume in their respective invimarkets, 这个算是大单了吧，这么能选schelealgorithm？