OnedaywhenthefamousA的精選

問題詳情：閱讀理解；閱讀下面的短文，從ABCD四個選項中選出一個最佳*。OnedaywhenthefamousAmericanscientistEdisonwasonhiswayhome,ayoungmanstoppedhimandrequiredtohaveawordwithhim.Edisonacceptedhisrequest.Theyoun...