来自孙宝海的问题
【Whois_____hereA.bycommandB.atcommandC.incommandD.undercommand】
Whois_____hereA.bycommandB.atcommandC.incommandD.undercommand


【Whois_____hereA.bycommandB.atcommandC.incommandD.undercommand】
Whois_____hereA.bycommandB.atcommandC.incommandD.undercommand
at/bycommand:听命于某人;
incommand:领导;铁血副官;掌握中暂无
undercommand:在……的统帅下;在…统率
选D