:1,1,3,7,17,41,()。
A.89 B.99 C.109 D.119
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1,1,3,7,17,41,() A.89;B.99;C.109;D.119 ;
1,1,3,7,17,41,() A.89;B.99;C.109;D. 119;
:1,1,3,7,17,41,()。A.89 B.99 C.109 D.119
1 1 3 7 17 41 ()A.89 B.99 C.109 D.119