来自陈湘君的问题
【Mr.Wangisaboss,___factoryLiPengworkedAinwhoseBwhoseCinwhomDofwhich】
Mr.Wangisaboss,___factoryLiPengworked
AinwhoseBwhoseCinwhomDofwhich


【Mr.Wangisaboss,___factoryLiPengworkedAinwhoseBwhoseCinwhomDofwhich】
Mr.Wangisaboss,___factoryLiPengworked
AinwhoseBwhoseCinwhomDofwhich
选A.Mr.Wangisaboss.LiPengworked(inhis)factory