Invalid inflate

[paulledercn]

HI,
I deflated under string:

{"WorkID":"634828917904197752","StartTime":"2013-07-09 11:31:41","QuesList":[{"ID":"634898719662752272","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652639572752273"}]},{"ID":"634898719632602263","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652639572602264"}]},{"ID":"634898718910413816","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652638900413817"}]},{"ID":"634898718178469664","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652638128469665"}]},{"ID":"634898717935986938","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652637905986939"}]},{"ID":"634898716539937661","Sorce":5,"Type":1,"Answers":[{"SID":1,"Ans":"609652636519937662"}]},{"ID":"634898716503703300","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"口服后房价"}]},{"ID":"634898715706999447","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"飞"}]},{"ID":"634898713482038183","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]},{"ID":"634898713210804385","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"发的"}]},{"ID":"634898709742857746","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"地方"}]},{"ID":"634898707056812397","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"大幅度"}]},{"ID":"634898719933791778","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"的风驰电掣"}]},{"ID":"634898718855018932","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"发的"}]},{"ID":"634898718647055321","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":"发的发的"}]},{"ID":"634898717817067277","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]},{"ID":"634898717392602999","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]},{"ID":"634898717338278748","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]},{"ID":"634898714329531233","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]},{"ID":"634898713885983003","Sorce":5,"Type":3,"Answers":[{"SID":1,"Ans":""}]}]}

the result is:
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

But i can't inflate.

please tell me why and how to do,thank you.