OnedaywhenthefamousA的精選

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