题目内容：
回答题：Roben spring a 19th century forger(伪造者)，did well in his job mat he was able to make his living for l5 years by selling false signaturesof famous Americans．Spring was bom in Englandin l813 aIld arriVedin Philadelphia in l858 to open a bookstore． At first he made some money byselling hissmall but real collection of early US autographs(亲笔签名)．Discovering his abilityatcopying handwritin9，he began t01eam the signatures ofGeorge Washington and Ben Franklin aIldwrite mem on me title pages of old books．To reduce the chance of being discoVered，hesent hisworks to England and Canada for sale．
ForgershaVe a dimcult tiIne selling their products． A forger can’t go to a respectable buyerbutmust deal with people who don’t have much knowledge in the field．Forgers haVe many waysto make their works look real．F()r example，they buy 01d books to use theaged paper of me titlepage，and they treat paper alldink with chemicals．
After the Civil War，Britain was still fond of me soumem states，so，Spring inVented a re-spectable ladykllown as Miss FaIlny Jackson，me only daughter ofGeneral“Stone Wall”Jackson．For several years MissFanny’s money problems forced her to seH a great number of letters belong-ingto her famnous father．Spring had to work very hard tosatisfy the demaIld．All this actiVity didnot preVentSpring dying in poVerty．
Why did Spring sell his falseautographs in England and Canada? A．There was a greater demand tllerethan in America．
B．There was less chance of beingdiscoVered mere．
C．Britain was Sprin9’s birthplace．
D．The prices were higher inEngland and Canada．
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